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5. Suppose demand is of the form D(p)-a - b p (a) Find the function for marginal revenue for a monopolist. Hint: this is known as the twice as steep rule, and it always applies to linear demand functions for a monopolist.(b) Suppose the firm faces a constant marginal cost, denoted mc. What is the equilibrium price, quantity producer surplus, consumer surplus, and deadweight loss in terms of parameters a, b, and mc if the firm sets the same uniform price for all agents(c) Answer part (b), but now when the monopolist can perfectly price discriminate

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d da ㄙ 2a - mc 2 b a. Demand (a/o) -im b 2b8-b ADFB 2 2 b 2 X 22 2- h(e)+ a 0, q 2 (m) (q-b(mc)) с.ss MC

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