When a good is sold in a perfectly competitive market, the marginal revenue product of labor used to make that good can be computed by:
a. multiplying the price of the output by the wage paid to labor.
b. multiplying the price of the output by the marginal product of labor.
c. multiplying the wage paid to labor by the marginal product of labor.
d. multiplying the price of the output by the total product of labor.
e. dividing the marginal product of labor by the price of the output.
