Figure 12-3 -Refer to Figure 12-3. This Figure Depicts Labor Demand and Labor

Figure 12-3
-Refer to Figure 12-3. This figure depicts labor demand and supply in a nonunionized labor market. The original equilibrium is at point A. If a labor union subsequently establishes a union shop and negotiates an hourly wage of $20, then the employment level

A) increases from 6,000 to 10,000.
B) increases from 3,000 to 10,000.
C) decreases from 10,000 to 3,000.
D) decreases from 6,000 to 3,000.