When a firm uses four machines, it can produce 300 units daily.A fifth machine allows the firm to product 440 units.

Which of the following is true regarding production?

• The marginal product for the fifth machine is 140 units and the average product is 88 units.
• The marginal product for the fourth machine is 300 and the average product is 75 units
• The marginal production for the fifthmachineis 440 units and total production would be 740 units.
• The total production for nine machineswould be 740 units with an average production of 123.33 units.