Suppose Two Neighbors Share a Park

Multiple Choice

Suppose two neighbors share a park.One neighbor,Al,leaves trash in the park.This bothers the other neighbor,Bert.According to Coase's Theorem,the optimal level of trash in the park can be achieved if

A) Al is fined by the government.
B) Al has the right to leave trash and Bert cannot do anything about it.
C) Al has the right to leave trash and Bert can pay him to limit his dumping.
D) Bert moves.