Suppose that at current consumption levels, the marginal social cost of using the Kansas City freeway system is $15 while the marginal social benefit is $18. In this instance, government officials should:
A.	take actions to decrease use of the freeway system.
B.	take actions to increase use of the freeway system.
C.	take no actions to change use of the freeway system.
D.	build more freeways.
Answer:B
Suppose that at current consumption levels, the marginal social cost of using the Kansas City freeway system is $15 while the marginal social benefit is $18. In this instance, government officials should:
A.	take actions to decrease use of the freeway system. B.	take actions to increase use of the freeway system. C.	take no actions to change use of the freeway system. D.	build more freeways.