Suppose that a firm's total production function is y=160L^2-L^3 ; where L represents the labor input (in hours). a. Write an expression for the average output per hour of labor. b. Write an expression for the marginal product of labor. c. Solve for the labor input at which average left(frac{y}{L} ight) and marginal left(y^prime left(L ight) ight) products are equal. d. Which of the options is true at the point in part (c)?
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