Which of the following statements is FALSE?
A. The more inelastic is the demand for a firm's product, the
greater is the Lerner index.
B. In the long-run, a perfectly competitive firm operates where
its average total cost is minimized.
C. If the monopolist sets its output such that MR, MC and AVC
are all equal, the firm will be indifferent between staying open
and shutting down.
D. A profit-maximizing firm never produces where P <
AVC.