Suppose that a worker can produce 100 units of output in 7 hours. In the 8th hour, he can produce 12 units of output. The worker can produce 112 units of output in 8 hours

If whole tomatoes were money, which of the following functions of money would be the hardest for tomatoes to satisfy?

A) medium of exchange B) store of value C) certificate of gold D) unit of account

Which of the following will not shift the demand curve for grapefruit to the right?

A. An announcement that eating a grapefruit before every meal will induce weight loss. B. A technical development that allows machines to replace the workers who harvest grapefruit. C. The price of oranges, a substitute good, increases. D. Consumer incomes increase and grapefruit is a normal good.