This Graph Shows the Marginal Cost and Marginal Benefit Associated

Multiple Choice

This graph shows the marginal cost and marginal benefit associated with roadside litter clean up. Assume that the marginal benefit curve and marginal cost curve each have their usual slope. Picking up the 20^th bag of litter would:

A) be socially efficient.
B) increase total economic surplus.
C) create deadweight loss.
D) be socially efficient, but would not be consistent the actions of self-interested individuals.