12. Each firm in a competitive market has a cost function of: C = 16 + qz, so its marginal cost function is MC = 2q. The market demand function is Q = 28 p. Determine the long-run equilibrium price, quantity per firm. market quantity, and number of firms. The output per firm is :l. (round your answer to the nearest integer) The long-run equilibrium number of firms is :l. (round your answer to the nearest integer) The long-run equilibrium price is $|:|. (round your answer to the nearestpenny)