The market for wheat consists of 500 identical firms, each with the total cost function C(Q) = 90,000 + 0.00001Q^2 where Q is measured in bushels per year. The market demand curve for wheat is Q = 90,000,000 - 20,000,000P, where Q is again measured in bushels and P is the price per bushel. The market is perfectly competitive. (a) Obtain the average and marginal cost functions of each firm.