What is the difference between marginal cost and marginal revenue?

O Marginal cost is the money earned from selling one more unit of a good. Marginal revenue is the money paid for
producing one more unit of a good
O Marginal cost is the money paid for producing one more unit of a good. Marginal revenue is the money earned
from selling one more unit of a good
Marginal cost is the money a producer might make from one more unit. Marginal revenue is the money a produce
actually makes from one more unit.
O Marginal cost is the money a producer actually makes from one more unit. Marginal revenue is the money a
producer might make from one more unit.

The correct answer is: Marginal cost is the money paid for producing one more unit of a good. Marginal revenue is the money earned from selling one more unit of a good.