Use the Following Figure to Answer the Question : Figure

Multiple Choice

Use the following figure to answer the question : Figure 18-2 :
shows the demand and supply curves of labor.A per-unit tax imposed on the wage income of the employees shifts the supply curve of labor upward.
-According to Figure 18-2,the proportion of the per-unit tax paid by employees is:

A) CB/CA.
B) BA/OB.
C) AB/CA.
D) OA/OC.