Use the Figure Below to Answer the Following Questions

Use the figure below to answer the following questions.

Figure 19.3.5
-Refer to Figure 19.3.5. This figure shows the labour supply curves and the value of marginal product curves for high-skilled and low-skilled workers. If the labour markets are competitive, then for a 40-hour work week, high-skilled workers must be paid

A) an extra $3 to compensate for the cost of acquiring their human capital and for their increased productivity.
B) an extra $20 to compensate for the cost of acquiring their human capital and for their increased productivity.
C) an extra $120 to compensate for the cost of acquiring their human capital and for their increased productivity.
D) an extra $300 to compensate for the cost of acquiring their human capital and for their enhanced productivity.
E) an extra $180 to compensate for the cost of acquiring their human capital and for their increased productivity.