QUESTION 9 Questions 9-10 relate to the following production data for a firm: Machines, K Workers, L Output, q 16 5 16 N 18 16 W 36 16 56 16 5 74 Which of the following statements is false? This firm is operating in the short-run This firm is operating in the long-run The marginal product of labor, MPL, increases and then decreases Fixed costs are equal to 16r, where r is the rental rate of capital QUESTION 10 If the wage rate is w = $20, what is the firm's variable cost of producing 56 units? $30 $80 $360 None of the above