Suppose firm 1 and firm 2 each produce the same product and face a market demand curve described by Q = 5000 - 200 P. Firm 1 has a unit cost of production c_1 equal to 6 whereas firm 2 has a higher unit cost of production c_2 equal to 10. a. What is the Bertrand-Nash equilibrium outcome? b. What are the profits of each firm? c. Is this outcome efficient?