The Figure Given Below Shows the Demand and Supply Curves

Multiple Choice

The figure given below 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.
-In Figure 18-2,as a result of a per-unit tax:

A) the total wage paid by employers rises,while the net-wage received by employees declines.
B) the total wage paid by employers declines,while the net-wage received by the employees rises.
C) the total wage paid by employers declines.
D) the total wage received by employees decline.