D*Tunes policy is to keep group classes only when there is a net revenue of at l

D*Tunes policy is to keep group classes only when there is a net revenue of at least $150 after paying the instructor. Currently, the price paid by students for a group class is $40. Explore the following two questions.
a. Create an information model to determine how many students are required per lesson to breakeven, and which lessons have not yet reached that goal
b. Generate a report that shows which classes are not meeting the breakeven point. What classes would you suggest canceling?
I have attached all the additional info needed for plus powerpoint from the class for additional help