Which of the Following Best Describes the Value of the Marginal

Multiple Choice

Which of the following best describes the value of the marginal product?

A) the change in total output generated from a unit change in the quantity of a variable input
B) the change in total revenue generated from a unit change in the quantity of a variable input
C) the change in marginal cost generated from a unit change in the quantity of a variable input
D) the ratio of total revenue to the quantity of a variable input employed