The Marginal External Cost Associated with Paper Production Is Constant

The marginal external cost associated with paper production is constant at $10 per ton per year.The competitive market equilibrium for paper production is currently 10 million tons per year.A corrective tax on paper production will:

A) collect $100 million annually.
B) collect more than $100 million annually.
C) collect less than $100 million annually.
D) reduce annual damages to those other than buyers and sellers of paper to zero.