| Packaging, bottles, labels, and ingredients |
Variable |
Model per unit produced, since these items rise with beverage volume. |
Treating materials as monthly overhead instead of unit economics. |
| Co-packing labor and shipping per unit |
Variable |
Apply the per-unit rates directly to produced units in each period. |
Blending fulfillment labor into salaries and hiding margin pressure. |
| Revenue-based production fees |
Variable |
Use 3.0% of revenue for co-packer share, packaging design, quality control, ingredient sourcing, and recipe development portions. |
Calling packaging design, quality control, sourcing, or recipe work fixed when the model sets them as percentages. |
| Sales, distribution, and promotion |
Variable |
Use 4.0% of first-year revenue, then adjust by year as the percentages decline. |
Keeping the first-year rate flat through the mature period. |
| Office rent, insurance, software, legal, hosting, and lab supplies |
Fixed |
Carry these as monthly overhead: $3,500, $600, $400, $1,000, $250, and $700. |
Allocating stable overhead to bottles and overstating unit-level break-even. |
| Utilities |
Semi-variable |
Start with the $800 monthly base and watch for usage pressure as production volume rises. |
Treating the full utility bill as fixed when production use can move. |
| Operations manager and quality control technician salaries |
Semi-fixed |
Model staffing in steps as capacity grows, with quality control starting after the first year. |
Scaling salaried oversight smoothly with each unit sold. |