The table above shows the various units of output that can be produced with different combinations of capital and labor. Which of the following statements is correct according to the information in the table?
O In the long run, there are constant returns to scale.
O In the long run, there are increasing returns to scale.
O In the short run, the marginal product of capital is constant. In the short run, the marginal product of labor is constant.
O In the short run, the law of diminishing marginal returns does not hold.