Demand

You are the manager of a firm that produces output in 2 plants. The demand for your firm’s product is P = 78 – 15Q, where Q = Q1 + Q2. The marginal cost associated with producing in 2 plants are MC 1= 3Q 1 and MC 2 = 2Q 2. How much output should be produced in plant 1 in order to maximize profits

A. 1

B. 2

C. 3

D. 4