question 2

V10 (2) A clothing manufacturer has the cost function C(x) = 10 + 2x - 2 + = in dollars, where a is the number of suits produced each week. The revenue function for selling a suitsi is given by R(x) = 8x in dollars. (a) Find the total profit when 4 suits are produced and sold. (b) Find the marginal profit when 4 suits are produced and sold each week. (c) Find the number of suits that should be produced and sold each week for the company to make the maximum profit. (3) Let off) = 1/4 1/31 12 +1