Which of the following is an example of a marginal external cost?
A.	A patron of McDonald’s is burned when coffee is spilled on their lap.
B.	A firm’s production costs increase because government regulations force it to provide more employee health benefits.
C.	The people who fish in a river find their catch decreasing because pollution from a factory is killing the fish.
D.	The price a corporation must pay for pollution control devices such as scrubbers.
Answer:C
Which of the following is an example of a marginal external cost?
A.	A patron of McDonald’s is burned when coffee is spilled on their lap. B.	A firm’s production costs increase because government regulations force it to provide more employee health benefits. C.	The people who fish in a river find their catch decreasing because pollution from a factory is killing the fish. D.	The price a corporation must pay for pollution control devices such as scrubbers.