A potential entrepreneur is trying to decide whether to open a new health spa. She currently

makes $35,000 per year as an aerobics instructor and will have to give up this job if she opens

the new health spa. If she chooses to open the spa, it will cost her $200,000 per year in rent

and other operating expenses.

5 (a) What are her accounting costs?

5 (b) What are her opportunity costs?

5 (c) How much would she need to make in revenues to earn positive accounting prots? Positive

economic profits?