In one day, Sue can change the oil on 20 cars or change the tires on 20 cars. In one day, Fred can change the oil on 20 cars or change the tires on 10 cars. Sueʹs opportunity cost of changing oil is
________than Fredʹs and her opportunity cost for changing tires is________ than Fredʹs.
A) greater; less
B) less; less
C) greater; greater
D) less; greater

Question

Quizplus · Accepted Answer

Sue's opportunity cost of changing oil is greater than Fred's because she can change the tires on 20 cars in one day, while Fred can only change the tires on 10 cars in one day. Her opportunity cost for changing tires is less than Fred's because she can change the oil on 20 cars in one day, while Fred can only change the oil on 20 cars in one day.

In One Day, Sue Can Change the Oil on 20