Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
Figure: Tax on Sellers
-(Figure: Tax on Sellers) Refer to the figure. Suppose the imposition of a per-unit tax on sellers shifts the supply curve from S₀ to S₁. The equilibrium quantity sold under the tax is:

A) 4.
B) 12.
C) 16.
D) 10.