The Labor Supply Curve Faced by a Large Firm in a Small

Multiple Choice

The labor supply curve faced by a large firm in a small city is given by w = 60 + 0.08L, where L is the number of units of labor per week hired by the large firm and w is the weekly wage rate that it pays.If the firm is currently hiring 1,000 units of labor per week, then the marginal cost of a unit of labor to the firm

A) is twice the wage rate.
B) equals the wage rate.
C) equals the wage rate plus $160.
D) equals the wage rate plus $80.
E) equals the wage rate plus $240.