When Thinking About the Real Costs of Environmental Cleanup, We

When thinking about the real costs of environmental cleanup, we should take into consideration

A) The total costs of the cleanup as estimated by the Environmental Protection Agency.
B) A comparison of the costs of cleanup to the large size of the U.S. economy.
C) The marginal costs but not the marginal benefits.
D) A comparison of the size of China's economy to the United States.