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:

During a presidential campaign, the candidates from each party typically describe their plans to maintain or change federal taxes on personal and business income. Are these policy statements generally positive or normative in nature?

A. Both positive and normative B. Positive C. Normative D. Neither positive or normative

Net exports must equal zero for any economy

a. that is closed. b. for which Y = C + I + G. c. for which S = Y - C - G. d. All of the above are correct.