Refer to the graph below. Pco 1. Label each of the following on the graph. a. The allocatively efficient quantity, Q1 b. The quanity at which the firm will break even, Q2 c. The price if regulators use average cost pricing d. The price if regulators use marginal cost pricing e. The ATC if regulators use marginal cost pricing f. The loss firms incur if regulators use marginal cost pricing.