Use the Figure Below to Answer the Following Questions

Use the figure below to answer the following questions. Figure 18.3.5
-Refer to Figure 18.3.5.This figure shows the labour supply curves and the value of marginal product curves for high-skilled and low-skilled workers.If there is an increase in the supply of high-skilled workers and the supply of high-skilled workers is now equal to the supply of low-skilled workers,then employment of high-skilled labour would

A) remain the same.
B) decrease.
C) increase to 40 hours per week.
D) increase to 50 hours per week.
E) increase to 60 hours per week.