In the Figure Above,if a Pollution Tax Is Imposed That

Multiple Choice

In the figure above,if a pollution tax is imposed that is equal to the marginal external cost of pollution,then at the equilibrium,marginal social cost would ________ marginal benefit,and the quantity of chemical produced would be ________.

A) exceed; above the efficient quantity
B) exceed; below the efficient quantity
C) be below; above the efficient quantity
D) be below; below the efficient quantity
E) equal; efficient