Which of the Following Correctly Defines Marginal Revenue

Multiple Choice

Which of the following correctly defines marginal revenue?

A) Marginal revenue is the price at which the firm sells the last unit of the good.
B) Marginal revenue is the change in revenue from a unit increase in the price of the good.
C) Marginal revenue is the additional revenue from a unit increase in output and sales.
D) Marginal revenue is the additional revenue earned from an increase in demand for the good.
E) Marginal revenue is the difference between price and marginal cost for the last unit sold.