2. Suppose that a firm is currently maximizing its short-run profit at an output of 50 units. If the current price is $9, the marginal cost of the 50th unit is $9, and the average total cost of producing 50 units is $4, what is the firm's profit?

For each example identify the most appropriate ctso

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars