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QUESTION 3 Suppose that the inverse demand function for a monopolist's product is p (q) = 90 0.05:} while the rm's total cost function is 0 (q) = 10 + 209 + 0.1593. l(a) Plot or sketch carefully the demand curve. marginal revenue curve, and marginal cost curve. (b) At what volume of output does marginal revenue equal marginal cost? {c} What are the prot-maximizing output and price? (Note: you should check the second-order condition to verify that your answer is a maximum)