If a commercial bank has assets valued at $200 million and a net worth of $20 million, what is the value of the bank's liabilities?

The entire marginal cost curve for a perfectly competitive firm represents its short-run supply curve

a. True b. False

Normative statements are not

a. descriptive. b. prescriptive. c. claims about how the world should be. d. made by economists speaking as policy advisers.