A competitive car wash currently hires 4 workers, who together can wash 80 cars per day. The market price of car washes is $5 per wash, and the price of workers is $60 per day. The car wash should hire a fifth worker if it would increase total production to at least

a. 92 cars per day.
b. 100 cars per day.
c. 104 cars per day.
d. 110 cars per day.


A

Economics

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