3. (Market Power and Efficiency) Consider a market with two firms selling identical products. Firm 1 has a constant marginal cost of 1 and firm 2 has a constant marginal cost of 2. Market demand is D(p) = 15 - p. a) (2pt) Suppose the firms engage in Cournot competition. Find the firms' outputs, their profits, market price, consumer surplus, and deadweight loss in equilibrium. b) (1pt) If the firms merge and produce at the lower marginal cost, how do the equilibrium values change? c) (1pt) Discuss the change in efficiency (average cost of producing the output), welfare, and deadweight loss