Figure: an Individual's Marginal Benefit from a Public Good

Multiple Choice

Figure: An Individual's Marginal Benefit from a Public Good (Figure: An Individual's Marginal Benefit from a Public Good) Look at the figure An Individual's Marginal Benefit from a Public Good.Assume that two individuals will share consumption of a public good; each individual has the same marginal benefit curve as the one shown in the figure.What is the marginal social benefit from four units of the public good?

A) $0
B) $8
C) $16
D) $32