Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions. Figure 18.3.2
-Refer to Figure 18.3.2.At an employment level of 20 hours per week,firms are willing to pay

A) a wage rate of $21 an hour to low-skilled workers.
B) a maximum of $15 an hour to high-skilled workers.
C) up to $21 an hour for high-skilled workers.
D) the same for high-skilled workers as for low-skilled workers.
E) $3 an hour more for high-skilled workers.