1. Enter fixed monthly expenses
Use costs that must be covered even when attendance changes.
2. Enter variable cost per pet-day
Add the incremental service cost associated with one pet attending for one day.
3. Estimate monthly pet-days
Sum expected attendance across operating days for the month.
4. Set an optional target margin
Use 0% to show break-even only, or enter a margin on revenue.
5. Compare the outputs
Review pure break-even, the margin-adjusted fee, and implied monthly revenue.