At a given point in time, if all past deficits and surpluses were added, we would get the

A firm is employing capital and labor such that the marginal product of capital is 80 and the marginal product of labor is 20

If the price of a unit of capital is $30 and the price of a unit of labor is $15, is the firm minimizing its costs? If not, can you recommend a change for the firm to make in its relative amounts of labor and capital used? Explain.

As a general rule, you would be unwise to keep a deposit at an FDIC-insured bank in an amount greater than

a. 20 percent of the bank's reserves. b. $1,000,000. c. $250,000. d. an infinite amount; there is no limit.