| Manufacturing Facility Lease, $12,000/month |
Fixed |
Include the full monthly lease in baseline overhead. |
Spreading rent per unit and hiding idle capacity. |
| Professional Liability Insurance, $1,800/month |
Fixed |
Keep it flat across the monthly planning range. |
Tying insurance to each crossbow sold. |
| Trade Show Exhibit Fees, $3,000/month |
Fixed |
Carry as recurring monthly selling overhead. |
Dropping it below the line as optional spend. |
| Per-unit materials and packaging |
Variable |
Apply per unit for carbon fiber, aluminum, triggers, strings, and packaging. |
Treating direct materials as factory overhead. |
| Direct Assembly Labor |
Variable |
Apply the unit labor amount to each produced item. |
Blending unit labor with salaried production support. |
| Marketing, transaction fees, and outbound shipping |
Variable |
Use the first-year revenue rates: 4.0%, 2.5%, and 3.0%. |
Freezing sales-linked fees as fixed overhead. |
| Factory overhead, quality testing, scrap, utilities, and maintenance |
Semi-variable |
Track the usage-linked percentages, then review any base bills separately. |
Calling all plant overhead fixed when volume rises. |
| Lead Design Engineer salary, $110,000 per FTE/year |
Semi-fixed |
Hold at one FTE, then step up to two FTE in the fourth year. |
Treating salaried management like unit labor. |