A Profit-Maximizing Farmer Will Apply Additional Units of Fertilizer Until

Multiple Choice

A profit-maximizing farmer will apply additional units of fertilizer until the marginal revenue product (MRP) of fertilizer is half the MRP of skilled labor when a unit of fertilizer

A) costs twice as much as a unit of skilled labor.
B) costs half as much as a unit of skilled labor.
C) is half as productive, on average, as a unit of skilled labor.
D) is twice as productive, on average, as a unit of skilled labor.