Outputs and Cost; Diminishing Marginal Returns
According to the law of diminishing marginal returns, which of the following is true?
A. Marginal cost eventually decreases as more and more of a variable input is increased
B. Marginal cost eventually decreases at a diminishing rate as more and more of a variable input increased
C. Marginal cost eventually increases as more and more of a variable input is increased
D. Marginal product eventually increases at a constant rate as more of a variable input is increased
E. Marginal product eventually increases at a diminishing rate as more and more of a variable input is increased