Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Table: Coal Mine Pollution) Use Table: Coal Mine Pollution.The table shows the marginal social benefit and cost of various amounts of pollution from a coal mine.At the efficient quantity of pollution,the marginal social cost of pollution is _____ the marginal social benefit of pollution.

A) greater than
B) equal to
C) less than
D) unrelated to