What Does a Persian Restaurant Need to Earn to Work Financially?
A Persian restaurant can command a stronger check than many fast-casual concepts because the menu supports grilled meats, saffron rice, stews, shareable appetizers, family platters, desserts, tea, and catering. That revenue potential is real, but it sits beside expensive proteins, labor-intensive preparation, specialized ventilation, and a full-service cost structure. The central planning question is not whether guests like koobideh, joojeh, ghormeh sabzi, or fesenjan. It is whether the restaurant can sell enough of the right mix at prices that cover prime cost, occupancy, debt, and the owner’s required return.
For planning, treat the concept as three connected businesses: dine-in hospitality, off-premises ordering, and event or catering production. Dine-in creates brand value and beverage attachment. Takeout increases kitchen utilization but can add packaging and platform fees. Catering raises the average order and helps smooth weekday demand, but it requires deposits, production scheduling, delivery discipline, and enough working capital to buy ingredients before the event is paid in full.
Average check
Covers per day
Prime cost
Seat turns
Catering mix
Contribution margin
Working capital
A practical base case for a neighborhood full-service operation is annual sales of roughly $1.5M-$2.2M, depending on seats, dayparts, alcohol, local pricing, and catering. That is an assumption range, not an industry average. Below about $1.2M, the kitchen, manager, rent, and compliance burden can become too heavy unless the format is very small or owner-operated. Above $2M, purchasing leverage and labor productivity usually improve, but execution has to keep pace.
$28-$42
Blended guest check
A planning range across lunch, dinner, takeout, beverages, and dessert.
62%-66%
Target prime cost
Food, beverage, payroll, taxes, and benefits combined in a disciplined operation.
4%-10%
Mature cash margin
A planning range after operating expenses but before owner-specific taxes and distributions.
Practical one-liner: design the economics around weekly sales and contribution margin, not around how impressive the dining room looks on opening night.
How Much Does It Cost to Open a Persian Restaurant?
The format decides the capital requirement. A second-generation restaurant with an existing hood, grease interceptor, restrooms, and adequate electrical service is financially different from a raw shell. Likewise, a compact counter-service kebab shop can open for far less than an 80-seat dining room with a charcoal grill, bar, private dining, and extensive millwork.
The range below is a planning model for a 2,000-3,000 square foot full-service Persian restaurant in a leased second-generation space. The figures are assumptions that should be replaced with landlord work letters, contractor bids, equipment quotes, and local permit fees. The SBA startup-cost framework is useful because it separates pre-opening expenses, assets, and cash needed to cover early operating deficits.
| Startup use |
Low case |
High case |
What moves the number |
| Lease deposit and pre-opening rent |
$15,000 |
$45,000 |
Rent level, free-rent period, security deposit, construction delay |
| Design, legal, accounting, and professional fees |
$15,000 |
$50,000 |
Architectural scope, lease review, engineering, entity and tax setup |
| Permits, licenses, inspections, and deposits |
$5,000 |
$25,000 |
City fees, health review, liquor license, utility deposits |
| Renovation, plumbing, electrical, finishes |
$100,000 |
$350,000 |
Condition of the space, ADA work, restroom upgrades, landlord contribution |
| Ventilation, fire suppression, grease, and grill systems |
$25,000 |
$90,000 |
Existing hood capacity, charcoal or gas cooking, roof and fire-code work |
| Kitchen equipment and smallwares |
$70,000 |
$180,000 |
New versus used equipment, refrigeration, rice cookers, skewers, dish system |
| Dining furniture, POS, signage, and technology |
$35,000 |
$100,000 |
Seat count, custom millwork, sound, security, online ordering |
| Opening inventory, pre-opening payroll, and launch marketing |
$25,000 |
$70,000 |
Training weeks, menu breadth, initial meat and specialty ingredient stock |
| Working capital reserve |
$90,000 |
$240,000 |
Ramp speed, payroll cycle, debt service, seasonality, catering receivables |
| Contingency |
$35,000 |
$120,000 |
Change orders, utility upgrades, delayed opening, replacement equipment |
| Total planning range |
$415,000 |
$1.27M |
Before real-estate purchase; site-specific bids control |
What this estimate hides
A $75,000 landlord allowance is not the same as $75,000 of cash. It may reimburse only approved work after invoices are paid. The financial model should show the timing of tenant-improvement reimbursements so construction cash does not disappear before the landlord pays.
A counter-service format using an existing commercial kitchen may fit roughly $180,000-$450,000. A premium dining room with a bar, custom charcoal system, and major structural work can exceed the upper range. The decision should be based on expected sales per square foot and cash payback, not on a desire to build the most elaborate version first.
Practical one-liner: a cheaper lease can become the most expensive option when the hood, power, drainage, or grease system is wrong.
Where Does the Monthly Cash Go?
Restaurant cash leaves every week, while profit is usually reviewed monthly. That timing gap matters. Meat invoices, produce, payroll, card settlements, rent, sales tax, and loan payments hit on different schedules. A restaurant can post an accounting profit and still miss payroll if opening debt is too high or catering clients pay after the event.
The following base case assumes $150,000 in monthly sales. It is built as a planning target for a well-run operation, not a reported industry average. For context, the National Restaurant Association reported full-service median labor costs of 36.5% of sales in 2024, while profitable respondents were lower at 34.2%; local wage rates should be tested against current BLS food-service wage data.
| Monthly operating use |
Base amount |
Share of sales |
Control point |
| Food and nonalcohol beverage |
$45,000 |
30.0% |
Recipe yields, protein mix, waste, vendor pricing |
| Labor, payroll taxes, and benefits |
$51,000 |
34.0% |
Schedules by daypart, overtime, manager coverage, prep hours |
| Occupancy |
$8,500 |
5.7% |
Base rent, CAM, property tax pass-throughs |
| Merchant, ordering, and delivery fees |
$5,500 |
3.7% |
Direct-order share, platform mix, card rates |
| Utilities |
$3,500 |
2.3% |
Grill hours, HVAC, refrigeration, water |
| Repairs, supplies, insurance, laundry, and waste |
$10,000 |
6.7% |
Preventive maintenance, breakage, claims, pest control |
| Marketing and community outreach |
$3,000 |
2.0% |
New-customer cost, repeat rate, event conversion |
| Software, accounting, permits, and administration |
$4,000 |
2.7% |
POS stack, payroll, bookkeeping, renewals |
| Total operating expenses |
$130,500 |
87.0% |
Leaves $19,500 before debt, tax reserve, and maintenance capex |
Base-case monthly cost mix
Food and labor absorb most sales, so small misses in either category can erase the cash margin.
Labor34.0%
Food30.0%
Other operations13.7%
Occupancy5.7%
Fees3.7%
The remaining $19,500 is not the owner’s take-home pay. From it may come loan principal and interest, income-tax reserves, replacement equipment, unusual repairs, and additional working capital. A heavily financed opening can consume $7,000-$12,000 per month in debt service, cutting the cash available to the owner by more than half.
Practical one-liner: measure cash by due date, not only by expense category.
How Should the Menu Be Priced?
Persian menus often span low-cost rice and herb components, moderately priced chicken, higher-cost ground beef or lamb, premium filet cuts, and labor-intensive stews. One blanket food-cost percentage will hide that variation. Pricing should start with a recipe card for every item, then account for waste, cooking loss, garnish, bread, sauces, packaging, and platform commissions.
Current published menus illustrate the range. An official San Diego Persian restaurant menu lists koobideh around the mid-$20s and premium barg or soltani combinations in the mid-$30s to low-$40s, while another U.S. Persian menu lists koobideh near $20 and premium combinations around $35. These official menu prices and a second Persian restaurant menu are examples, not national averages; local income, portion size, service model, and protein grade matter.
| Revenue unit |
Planning price |
Cost logic |
Margin role |
| Dips, yogurt dishes, and small plates |
$8-$15 |
Moderate ingredient cost; prep labor and bread matter |
Raises check before the main course |
| Lunch bowls, wraps, or single-skewer plates |
$14-$22 |
Portion discipline and throughput are critical |
Builds weekday volume and takeout |
| Koobideh and chicken plates |
$20-$30 |
Protein yield, rice portion, included sides |
Core volume and repeat purchase |
| Premium lamb, barg, or combination plates |
$30-$45 |
High protein cost and cooking shrink |
Premium positioning; margin can be thin without exact costing |
| Stews and rice specialties |
$20-$32 |
Batch yield, meat content, herbs, walnuts, pomegranate |
Differentiation and favorable batch economics when waste is controlled |
| Family platters and catering packages |
$70-$180+ |
Tray yield, delivery, setup, disposables, event labor |
Large tickets and production leverage |
| Tea, doogh, desserts, and zero-proof drinks |
$4-$12 |
Low-to-moderate ingredient cost |
Improves gross margin and check attachment |
Do not price premium beef by copying the chicken multiple. Cooking yield can be very different. If a raw cut loses 25% of its weight, the usable cost per ounce rises by one-third before marinade, rice, labor, and garnish are counted. Likewise, saffron may be a small gram weight but a meaningful dollar input, so it belongs in the recipe system rather than a general spice allowance.
Build three price layers
Use an accessible lunch entry point, a dependable core dinner range, and premium combinations or feast menus. The mix lets a family order affordably while giving celebrations and business dinners room to spend more.
Practical one-liner: the best-selling item is only valuable when its contribution dollars are strong.
Saffron, Beef, Lamb, Rice, and Labor Shape the Margin
The menu can produce attractive gross profit because rice, bread, tea, dips, herbs, and some stews balance higher-cost grill items. But the blend changes quickly when premium beef and lamb dominate sales, portions drift, or complimentary items grow without a price change. In 2024, food and nonalcohol beverage costs represented a median 32.0% of sales among full-service respondents in the National Restaurant Association’s food-cost analysis.
Persian restaurants face a specific exposure to protein inflation. USDA’s 2026 Food Price Outlook projected food-away-from-home prices to rise around 3.5%, and its mid-2026 outlook highlighted exceptional wholesale beef pressure. The USDA Food Price Outlook should be treated as a reason to model price and recipe sensitivity, not as permission to raise every menu item by the same percentage.
High-risk margin items
Barg, filet combinations, lamb racks, large mixed grills, imported specialty ingredients, and delivery orders with heavy packaging.
Margin-balancing items
Tea, doogh, desserts, appetizers, rice upgrades, vegetarian stews, lunch formats, and catering add-ons priced separately.
Labor is more than the hourly wage
A grill station needs skill, rice and stew production may begin hours before service, and table service adds hosts, servers, bussers, and dish labor. The model should include payroll taxes, workers’ compensation, paid leave where required, training shifts, overtime, uniforms, and the cost of a manager who can run the restaurant without the owner present. A schedule that looks efficient on paper can fail when one cook calls out and overtime replaces the missing shift.
-
Track yield: compare raw protein weight with cooked sellable portions.
-
Separate prep labor: assign rice, stew, skewer, and sauce preparation hours to forecasted sales.
-
Price waste: record burnt rice, overcooked meat, rejected plates, and spoilage at ingredient cost.
-
Protect premium cuts: use portion tools and manager verification rather than visual estimates.
-
Review mix weekly: a shift from chicken to premium beef can raise sales while lowering margin.
Common mistake: counting complimentary service as free
Bread, herbs, onions, butter, pickles, tea refills, sauces, and extra rice have real cost. Decide which items are included, which are refillable, and which require an add-on price. The goal is hospitality with measured economics.
Practical one-liner: a one-ounce protein overportion can cost more than a discount visible to the guest.
Where Is Break-Even for a Full-Service Persian Restaurant?
Break-even is the sales level at which contribution dollars cover monthly fixed costs. It should be calculated before signing a lease because rent, management payroll, insurance, software, and debt continue even when covers are weak. The SBA’s break-even guidance uses the same basic logic: fixed costs divided by price minus variable cost for units, or fixed costs divided by contribution margin for revenue.
Here is the quick math behind the 52% contribution margin. Assume ingredients consume 30% of sales, variable hourly labor moves with volume at 13%, and card, delivery, packaging, and sales-linked costs consume 5%. The remaining 52 cents per sales dollar must cover fixed management labor, rent, utilities minimums, insurance, software, marketing base, and other fixed commitments.
1Price and mixSet average check by channel and daypart.
2Variable costSubtract food, variable labor, fees, and packaging.
3ContributionMeasure dollars available to cover fixed costs.
4Fixed costDivide by contribution margin to find required sales.
Translate revenue into covers and orders
A $150,000 monthly target equals $5,000 per day in a 30-day month. At a $38 blended dine-in check, that would require 132 guest checks per day if dine-in were the only channel. A more balanced day might be 90 dine-in covers at $40, 30 pickup or delivery orders at $32, and average catering revenue of $440 per day. That combination also shows where the forecast can fail: a weak lunch, low beverage attachment, or missing catering pipeline forces dinner to carry too much.
Conservative$125K/monthBelow break-even in the example; cash burn may be $10,000-$18,000 before debt.
Base$150K/monthNear operating break-even; little room for debt, tax, or major repairs.
Healthy$185K/monthCreates contribution dollars for debt reduction, reserves, and owner return.
Practical one-liner: break-even should be achievable on an ordinary month, not only on holidays and weekend peaks.
How Much Can the Owner Realistically Earn?
Owner income is not revenue and it is not the restaurant’s gross profit. The restaurant must first pay ingredients, labor, occupancy, utilities, insurance, marketing, professional fees, taxes, debt service, replacement equipment, and a cash reserve. If the owner works as general manager or executive chef, the model should include a market-rate replacement salary in labor before calculating the return on invested capital.
Industry-wide margins are thin. The National Restaurant Association’s 2025 data reported a 2.8% median pre-tax margin for full-service restaurants, while its labor analysis showed that profitable full-service respondents kept labor lower than loss-making peers. The labor and profitability analysis is a reminder that owner earnings come from operating discipline, not simply from high sales.
| Annual owner-earnings bridge |
Conservative |
Base |
Upside |
| Annual sales |
$1.2M |
$1.8M |
$2.4M |
| Restaurant-level cash margin |
6% |
12% |
16% |
| Restaurant-level cash flow |
$72,000 |
$216,000 |
$384,000 |
| Debt service |
($84,000) |
($96,000) |
($108,000) |
| Maintenance capex and reserve |
($24,000) |
($36,000) |
($48,000) |
| Tax and working-capital set-aside |
$0 |
($30,000) |
($60,000) |
| Residual owner distribution |
($36,000) |
$54,000 |
$168,000 |
| Owner-manager salary already included in labor |
$55,000 |
$70,000 |
$85,000 |
| Potential total owner compensation |
$19,000 |
$124,000 |
$253,000 |
These are scenarios, not average-income claims. The conservative case shows an important truth: the owner may receive wages for work while the invested equity earns nothing. In the base case, compensation combines a $70,000 operating salary and a $54,000 distribution. An absentee owner would need to replace the owner-manager with paid leadership, so the salary portion would not be available as investment income.
Practical one-liner: an owner’s paycheck pays for labor; the distribution pays for risk and capital.
Which KPIs Show Whether the Concept Is Healthy?
A Persian restaurant should not wait for the monthly income statement to discover a problem. The operating dashboard needs daily sales, weekly labor and food controls, channel economics, and a rolling cash forecast. Tip reporting also matters in a full-service format; the IRS tip-reporting guidance explains employer reporting and payroll-tax responsibilities.
| KPI |
Formula |
Planning interpretation |
Decision affected |
| Average check |
Net sales ÷ guest checks |
Track lunch, dinner, takeout, and catering separately; blended target often $28-$42 |
Menu price, upselling, beverage and dessert attachment |
| Food cost percentage |
Food used ÷ food sales |
Model 28%-34%; investigate recipe or mix changes above plan |
Portions, vendor bids, menu engineering |
| Labor cost percentage |
Payroll, taxes, benefits ÷ net sales |
Full-service planning target 32%-35%; local wages may require more |
Schedules, hours, manager span, dayparts |
| Prime cost |
Food, beverage, labor ÷ net sales |
Target roughly 62%-66%; sustained drift above 68% is a warning |
Pricing, recipes, staffing, service model |
| Seat turnover |
Covers ÷ available seats by daypart |
Compare actual turns with the capacity assumption used in break-even |
Reservations, table mix, hours, service speed |
| Protein yield |
Cooked sellable weight ÷ raw weight |
Set a standard by cut; a 3-point drop can materially change plate cost |
Purchasing, trimming, cooking, portion size |
| Off-premises contribution |
Off-premises sales − food − packaging − platform fees − variable labor |
Positive sales are not enough; compare contribution dollars by channel |
Direct ordering, delivery radius, packaging price |
| Labor sales per hour |
Net sales ÷ total labor hours |
Set by market and wage structure; monitor by shift rather than monthly only |
Shift staffing and cross-training |
| Cash runway |
Unrestricted cash ÷ average monthly cash burn |
Keep at least 8-12 weeks during ramp-up when possible |
Funding timing, owner draws, expansion pace |
DailySales and laborCheck channel, covers, average check, labor hours, voids, and discounts.
WeeklyFood and cashReview purchases, inventory, waste, recipe variance, upcoming payments, and catering deposits.
MonthlyProfit and returnClose the books, compare model versus actual, and update debt, capex, tax, and runway.
Benchmarks are guardrails, not universal standards. A restaurant with high delivery mix may show lower labor but higher platform expense. A premium dining room may carry more service labor but also a higher check. The dashboard should explain the economic trade-off, not simply label every deviation as bad.
Practical one-liner: a KPI matters only when it changes a schedule, price, purchase, or cash decision.
What Can Go Wrong, and What Does It Cost?
The highest-risk restaurant problems are not dramatic one-time events. They are small recurring misses: protein overportioning, excessive prep, underpriced delivery, weak weekday demand, overtime, slow table turns, and delayed maintenance. Each can remove one or two points of margin, which is enough to turn a profitable restaurant into a loss.
Off-premises demand deserves special treatment. The National Restaurant Association reported that 41% of full-service operators said off-premises dining represented a larger share of sales than in 2019. The off-premises trend report supports offering takeout, but the financial model must subtract packaging and commission costs instead of treating every delivery dollar like a dine-in dollar.
Protein inflation shock
A 10% increase on a $28,000 monthly meat purchase adds $2,800 of cost. Without price or mix changes, annual cash flow falls by $33,600.
Labor drift
Two extra labor points on $1.8M of annual sales cost $36,000. The cause may be weak scheduling, overtime, or sales below forecast.
Delivery leakage
If $25,000 monthly platform sales carry 20% commissions and $1.50 packaging per order, contribution can be far lower than dine-in.
Opening delay
A six-week delay can add $40,000-$90,000 through rent, payroll, financing, and change orders before the first sale.
Risk controls worth funding
- Carry business interruption, property, liability, workers’ compensation, and spoilage coverage appropriate to the site.
- Maintain backup plans for refrigeration, hood failure, gas interruption, and key-person absence.
- Use catering deposits and signed cancellation terms to protect production cash.
- Set vendor alternatives for beef, lamb, rice, herbs, dairy, and specialty ingredients.
- Keep a rolling 13-week cash forecast that includes payroll tax and sales-tax remittances.
- Reserve at least 1.5%-2.5% of sales for maintenance and replacement capital in a mature operation.
Stress test before committing
Run a downside case with sales 15% below plan, labor two points higher, food cost three points higher, and opening delayed by eight weeks. If the business immediately runs out of cash, the project is undercapitalized or the fixed cost base is too large.
Practical one-liner: most restaurant risk arrives as margin erosion before it arrives as a crisis.
How Should the Opening and Funding Plan Be Sequenced?
A financially sound opening process locks the expensive decisions only after the revenue model has been tested. Permits and health requirements vary by state, county, and city. FDA’s state food-code directory shows how retail food regulation is administered across jurisdictions, while the SBA licenses and permits guide emphasizes that required approvals depend on activity and location.
Weeks 1-4Concept economics: define service model, seats, dayparts, check range, menu mix, catering, and target sales.
Weeks 3-10Site and lease: inspect hood, grease, power, gas, plumbing, ADA, parking, delivery access, and landlord work.
Weeks 6-16Design and permits: complete health, building, fire, signage, and alcohol reviews where applicable.
Weeks 12-28Construction and procurement: release equipment orders, manage change orders, and update uses of funds weekly.
Weeks 22-30Hiring and training: hire managers first, cost recipes, test POS, build schedules, and rehearse production.
Months 1-6Ramp and stabilize: compare weekly sales, labor, food, and cash with the model; delay owner draws until reserves hold.
Match the funding source to the use
Equity should cover the riskiest early spending, contingency, and a meaningful share of working capital. Equipment financing can match long-lived assets, but financing every appliance separately creates many payment dates and liens. An SBA 7(a) loan can support a broad restaurant project and working capital, subject to lender underwriting; the program’s current maximum loan amount is $5 million. SBA 504 financing is designed for qualifying fixed assets such as real estate, construction, and long-term equipment, as described in the 504 loan program, but it does not replace working capital.
Equity: landlord deposit, design, early fees, contingency, and lender-required injection.
Term debt: construction, equipment, furniture, and eligible project costs.
Working capital: payroll, inventory, rent, utilities, marketing, and ramp losses.
Landlord contribution: reimbursements tied to approved construction milestones.
Vendor terms: modest support for inventory timing after credit is established.
Catering deposits: customer funding for event-specific production, not general startup capital.
Lenders will usually want owner equity, personal financial information, experience, lease terms, contractor bids, equipment lists, projections, and evidence that debt can be serviced under conservative assumptions. A financial model, business plan, and pitch deck can help organize the same core numbers for owners, lenders, and investors, but the numbers still need support from quotes and market evidence.
Practical one-liner: finance ten-year assets with long-term money and short-term operating needs with enough cash runway.
The Financial Model Connects Every Operating Decision
A restaurant model should behave like the operation. Seats, turns, hours, average check, takeout orders, catering events, and menu mix drive revenue. Recipes, yields, packaging, commissions, and variable labor drive contribution. Fixed management payroll, rent, utilities, insurance, software, and base marketing drive break-even. Startup investment and funding drive debt service, depreciation, and payback.
1InputsSeats, checks, orders, menu prices, catering, seasonality
2RevenueDine-in, pickup, delivery, events, beverages
3Gross profitRevenue less ingredients, packaging, and direct fees
4Operating profitGross profit less labor, rent, utilities, and overhead
5Owner cashLess debt, tax reserve, maintenance capex, and working capital
Working capital deserves its own schedule. Card sales may settle quickly, but payroll and rent are fixed dates, catering may require purchases before final payment, and sales tax collected from guests is not operating cash. The model should forecast bank balance weekly for at least the first six months and monthly thereafter.
Sensitivity that matters most
Test sales volume, average check, food cost, labor percentage, opening date, and debt rate. These variables usually move cash flow more than minor office expenses.
Model-to-operations discipline
Replace assumptions with actual results weekly. A forecast that is never updated becomes a fundraising document rather than a management tool.
A simple model check
Suppose monthly sales rise by $15,000. At a 52% contribution margin, that adds about $7,800 before any extra fixed cost. If the sales require a second manager, longer hours, or a new delivery vehicle, the incremental margin is lower. The model must connect the sales increase to the resources needed to produce it.
Do not confuse EBITDA with spendable cash
EBITDA excludes interest, taxes, depreciation, and amortization. The bank account still pays loan principal, taxes, equipment replacement, and working-capital growth. Owner distributions should be based on cash after those needs, not on EBITDA alone.
Practical one-liner: every assumption should have an operational owner and a date when it will be checked.
What Payback Period Is Realistic?
Payback measures how long it takes cumulative cash flow to recover the initial investment. It is useful because it forces the owner to compare project cost with realistic cash generation. It is not the same as loan maturity, and it should not use revenue or accounting profit in the numerator.
Conservative case
10.0 years
$550,000 invested ÷ $55,000 annual payback cash. A slow ramp or high debt makes this case possible.
Base case
5.0 years
$750,000 invested ÷ $150,000 annual payback cash after the concept stabilizes.
Upside case
3.7 years
$950,000 invested ÷ $260,000 annual payback cash, requiring strong sales and disciplined margins.
The simple calculation can look better than reality because year one is rarely a mature year. Suppose the base operation loses $80,000 during construction and ramp, then generates $90,000 in year two, $150,000 in year three, and $170,000 thereafter. Cumulative payback arrives later than the five-year mature-run-rate formula suggests because the early deficit also has to be recovered.
Payback also stretches when equipment fails, a lease renewal raises occupancy, the owner distributes cash before the reserve is funded, or growth requires another round of capital. A second location should not be funded from the first location’s entire cash balance. Keep enough liquidity for payroll, repairs, taxes, and seasonal weakness.
Use total project cash, including overruns and ramp losses.
Subtract maintenance capex before counting payback cash.
Model debt service by month and include principal.
Delay full owner distributions until the reserve target is met.
Test payback with sales 10%-15% below plan.
Compare payback with lease term and renewal options.
A realistic target for a well-capitalized independent Persian restaurant is often a four-to-seven-year cash payback under a credible base case, with a longer downside case. That range is an analytical assumption, not a guarantee. The acceptable period depends on the owner’s risk tolerance, lease security, management burden, and alternatives for the same capital.
Practical one-liner: the project is not paid back when the dining room is full; it is paid back when cumulative free cash has returned the invested dollars.