Which of the following statements is TRUE?
A) The value of the marginal product of labor equals the marginal product of labor
times price.
B) The value of the marginal product of labor equals a one-unit change in a factor
divided by the change in total revenue.
C) Marginal cost equals change in total revenue divided by the one-unit change in a
factor.
D) The value of the marginal product of labor equals the change in the quantity of a
factor times the price of the factor.
Oscar’s Flower Shop maximizes profits by hiring four workers in a perfectly
competitive labor market. The workers and their value of the marginal product of labor
are Noe, $40; Barbara, $35; Calvin, $27; and Diana, $15. According to the marginal