Please help

A mechanic shop 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 promotion affect the production possibilities curve for next week? O The shop would decrease the brake-check price to eliminate scarcity. The shop would increase worker pay to make up for the opportunity cost of not doing brake checks. The shop would shift production to oil changes and away from brake checks The shop would shift production to brake checks and away from oil changes