An auto-repair shop faces the following weekly costs: rent, $500; labor, $400 per worker; parts and supplies,

Question:

An auto-repair shop faces the following weekly costs: rent, $500; labor, $400 per worker; parts and supplies, $30 per repair. Each worker can repair three cars per week.
a. Fill in the costs in Table 12P-1.
b. What are the total costs if the shop repairs 15 cars in a week?
c. What are the total costs if the shop repairs 0 cars in a week?