| Commercial Lease |
Fixed |
Use the $4,500 monthly lease as part of the fixed monthly hurdle. |
Spreading rent across students and calling it variable. |
| Utilities |
Semi-variable |
Start with the $800 monthly base, then review usage as rooms and billable days rise. |
Treating every utility dollar as fixed at higher occupancy. |
| Business Insurance |
Fixed |
Include the $350 monthly premium in fixed overhead for the planning range. |
Linking insurance directly to each new student. |
| Cleaning Services |
Semi-fixed |
Use the $400 monthly amount, then step it up when added rooms or hours require more service. |
Ignoring cleaning increases when operating scale expands. |
| Internet Phone |
Fixed |
Carry the $150 monthly charge in fixed overhead unless the service plan changes. |
Assigning the full bill to each tutoring session. |
| Tutor FTE Payroll |
Semi-fixed |
Model tutor hiring in steps as enrollment grows, not as a smooth percent of revenue. |
Assuming payroll flexes perfectly with every student. |
| Curriculum Materials |
Variable |
Use 4.0% of revenue in the first year, falling to 2.0% by the mature year. |
Putting materials into fixed overhead and hiding margin drag. |
| Marketing Digital Ads |
Variable |
Use 8.0% of revenue in the first year, declining to 4.0% by the mature year. |
Treating ads as fixed while enrollment depends on paid demand. |