Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
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 marginal benefit curve shown in the figure. What is the total social benefit from four units of the public good?

A) $16
B) $60
C) $144
D) $200