Which of the following goods is likely to be sold through an auction?

Diseconomies of scale occur when a firm's

a. marginal costs are constant as output increases. b. long-run average total costs are decreasing as output increases. c. long-run average total costs are increasing as output increases. d. marginal costs are equal to average total costs for all levels of output.

Buying a cup of coffee with a dollar bill represents the use of money as a:

a. unit of account. b. medium of exchange. c. store of value. d. All of the answers are correct.