and demand in labor 2.1 The following graph is the production function for a firm using only one variable factor of production, labor. a. Graph the marginal product of labor for the firm as a function of the number of labor units hired. b. Assuming the price of output, Px, is equal to $6, graph the firm's marginal revenue product schedule as a function of the number of labor units hired. c. If the current equilibrium wage rate is $4 per hour, how many hours of labor will you hire? How much output will you produce? 200-- Total product (output) 100 0 100 x4 200 300