A firm sells its product in a perfectly competitive market where other firms charge a price of $90 per unit. The firm's total costs areC(Q) = 50 + 10Q+ 2Q².Marginal cost MC = 10 + 4Q.

a. How much output should the firm produce in the short run?

units

b. What price should the firm charge in the short run?

$

c. What are the firm's short-run profits?

$

d. What adjustments should be anticipated in the long run?