According to the law of diminishing marginal returns O a, the marginal product of an input will eventually decline as use of the input rises. O b. the total product of an input will eventually be negative as use of the input rises. O c. the marginal product of an input will eventually turn negative as use of the input rises. O d. the average product of an input will eventually decline as use of the input rises. O e. the total product of an input will eventually decline as use of the input rises.
