4. A single rm monopolizes the entire market for medicine XYZ. The firm faces a market demand Curve given by'. 00 = 40,000 40P. Total and marginal cost functions of the monopolist are given by: rate) = 61002 5200 + 1'1"?\" and MC(Q) = i0 %_ a. Derive monopolist's marginal revenue function\". h. Calculate monopolist's profitmaximizing output level. is. What price does the monopolist set to maximize its profit? d. Calculate the prot of the monopolist. Q 5. Suppose that the inverse demand for phone charger is given by: P = 15 20 noo' Suppose that the competitive supply curve is given by: P = 1 + 50?}00' a. Calculate the equilibrium price and annual quantity of antidepressants. b. Draw linear demand and supply curves. c. Calculate: i. producer surplus; ii. consumer surplus; iii. total surplus in this competitive equilibrium. d. Now, assume that only 100,000 units of chargers are supplied (due to government restrictions): i. Graphically show the deadweight loss area. ii. Calculate the amount of deadweight loss