In the long run, a competitive firm has a marginal product of labor, MPL = L-1. The output price is $20 per unit and the wage is $7.25 per hour. The long-run labor demand curve for the firm is
A) 20L-0.05.
B) 7.25L-0.05.
C) 20L-1.
D) 7.25L-1.
C
Economics