All else equal, relative to a person who earns minimum wage, a person who earns $30 per hour has:
A.the same opportunity cost of spending time on leisure activities.
B.a higher opportunity cost of working an additional hour.
C.a lower opportunity cost of driving farther to work.
D.a higher opportunity cost of taking the day off work.
正确答案：a higher opportunity cost of taking the day off work.
