Holly's Day Care has been in operation for several years. Identify each cost as variable (V), fixed (F), or mixed (M), relative to number of students enrolled. 

1. Building rent. 

2. Toys. 

3. Compensation of the office manager, who receives a salary plus a bonus based on number of students enrolled. 

4. Afternoon snacks. 

5. Lawn service contract at $200 a month. 

6. Holly's salary. 

7. Wages of afterschool employees. 

8. Drawing paper for students' artwork. 

9. Straight-line depreciation on furniture and playground equipment. 

10. Fee paid to security company for monthly service.