Answer:
It will need to collect 800`s $15 class
Assuming 4 clases per month
200 student
Step-by-step explanation:

15 - 6 = 9 Contribution Margin
Fixed Cost
2 employee 2,400
mayor salari 1,800
equipment dep 1,000
utilities 240
Total fixed 5,440

(5,440+1,760)/9 = 800