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. If the marginal cost of the good is $8, how many units of this public good will maximize society's welfare?

A) 0
B) 8
C) 12
D) 16