If a firm is a price taker,
STC = 15q2 + 8q + 45
SMC = 30q + 8
a) Find the firm's fixed cost and variable cost, average total cost, and average variable cost in the short-run.
b) Find the firm's short-run supply curve function.
c) If P = 15 is given, what is the optimal output level for this firm to maximize its profit?
d) Does this firm have a shutdown price?