Marginal Revenue Product (MRP) of Labor Refers to the

Marginal revenue product (MRP) of labor refers to the

A) increase in total revenue resulting from selling an additional unit of output.
B) amount by which a firm's total resource cost increases when it employs one more unit of labor.
C) increase in total revenue resulting from hiring one more unit of labor.
D) price at which additional units of labor can be employed in a monopsonized labor market.