When a primary dealer sells a government bond to the Federal Reserve, reserves in the banking system ________ and the monetary base ________, everything else held constant

To maximize its profit, a single-price monopoly produces the quantity at which

A) the difference between marginal revenue and marginal cost is as large as possible. B) marginal revenue equals marginal cost. C) average total cost is at its minimum. D) the marginal cost curve intersects the demand curve. E) the marginal revenue curve intersects the horizontal axis.

For a kinked demand curve, the marginal revenue curve is:

a. positively sloped. b. a horizontal line. c. a vertical line. d. discontinuous. e. above the demand curve.