Auto Bull's-Eye offers a 10-minute oil change and 30-minute brake check. There are two technicians who perform each of these services. Next week, the shop is offering a discounted oil change. How might this affect the production possibilities curve for next week?
AThe shop would decrease the brake-check price to eliminate scarcity.
B The shop would increase worker pay to make up for the opportunity cost of not doing brake checks.
C The shop would shift production to oil changes and away from brake checks.
DThe shop would shift production to brake checks and away from oil changes.

Question

Auto Bull's-Eye offers a 10-minute oil change and 30-minute brake check. There are two technicians who perform each of these services. Next week, the shop is offering a discounted oil change. How might this affect the production possibilities curve for next week? 
AThe shop would decrease the brake-check price to eliminate scarcity. 
B The shop would increase worker pay to make up for the opportunity cost of not doing brake checks. 
C The shop would shift production to oil changes and away from brake checks. 
DThe shop would shift production to brake checks and away from oil changes.