Question 2 (Make-or-Buy Decision) (18 points) Firm A hires you as a consultant to help decide whether to produce a specific input by itself or procure from Firm B. To produce the final product, Firm A needs 200,000 units of this input. The cost for Firm A to produce the input is $80 per unit. The cost for Firm B to produce the input is $50 per unit because of economies of scale. Alternatively, Firm A could buy the input from Firm C at a price of $75 per unit. Instead of selling to Firm A, Firm B can sell the input to Firm D at a price of $55 per unit. a) (4 points) Suppose it is a Nash bargaining between Firm A and Firm B. What is the price (per unit) that Firm A and Firm B will agree on