| Loft Facility Maintenance |
Fixed |
Include $2,500 per month in fixed overhead for the relevant planning range. |
Spreading it per bird and hiding the monthly cash burden. |
| Utilities (Climate Control and Lighting) |
Semi-variable |
Start with the $1,200 monthly base, then flex usage as flock size and climate load rise. |
Treating all power use as fixed while production capacity increases. |
| Insurance (Livestock and Liability) |
Fixed |
Include $800 per month in fixed overhead until coverage terms change. |
Linking it to each sale even though the premium is monthly. |
| Marketing and Social Media Management |
Semi-fixed |
Model the $1,500 monthly spend as a step expense that may rise when sales channels expand. |
Assuming it moves perfectly with revenue month to month. |
| Genetic Testing and Pedigree Certification Fees |
Semi-fixed |
Use the $900 monthly base, with step increases when certification volume or testing scope expands. |
Putting all pedigree work into per-bird variable expense. |
| Premium Feed and Nutritional Supplements |
Variable |
Use 8.5% of first-year revenue in the contribution margin calculation. |
Leaving feed in fixed overhead and overstating margin per sale. |
| Veterinary Care and Biosecurity Supplies |
Semi-variable |
Use 4.5% of first-year revenue, but track the base health program separately from outbreak-driven usage. |
Modeling all veterinary spend as purely volume-driven. |
| Payroll |
Semi-fixed |
Treat launch staffing as fixed, then add step increases when new roles start in later operating periods. |
Using one flat payroll rate through scale-up. |