Refer to the Graph of the Market for Low-Skilled Labor

Multiple Choice

Refer to the graph of the market for low-skilled labor. S_dis the supply of domestic resident workers, and Sₜ is the total supply of labor, including undocumented workers. Suppose the government cuts off the flow of illegal immigrants to this market. By how much will the employment of legal residents be increased?

A) 15 million
B) 120 million
C) 135 million
D) 22 million