| Specialty Flour |
Variable |
Model at $0.20 to $0.25 per unit, depending on pasta type. |
Treating flour like monthly rent instead of a unit input. |
| Farm Eggs |
Variable |
Model at $0.15 to $0.20 per unit and deduct from unit contribution margin. |
Averaging egg spend into overhead and hiding unit margin pressure. |
| Packaging Material |
Variable |
Model at $0.25 to $0.30 per unit because each sale needs packaging. |
Treating packaging as fixed because it is bought in bulk. |
| Pumpkin Sage Filling |
Variable |
Apply $0.70 per Pumpkin Ravioli unit only, not across every pasta line. |
Spreading ravioli filling across all products and distorting margins. |
| Commercial Kitchen Rent |
Fixed |
Include $3,500 per month in fixed overhead for the planning range. |
Treating rent like a per-unit input and overstating variable cost. |
| Utilities |
Semi-variable |
Use the $800 monthly base, plus the production-linked utility allocation when sales rise. |
Putting all utilities into fixed overhead and missing batch-volume usage. |
| Payment Processing Fees |
Variable |
Deduct 1.5% of revenue from contribution margin in each forecast year. |
Typing 15% instead of 1.5% and crushing modeled margin. |
| Sales & Marketing Commissions |
Variable |
Deduct 4.0% of revenue in the first year, falling to 2.0% by the fifth year. |
Typing 40% instead of 4.0% in the first year. |