Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
Figure: An Individual's Marginal Benefit from a Public Good
-(Figure: An Individual's Marginal Benefit from a Public Good) Use 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 the public good will be provided by the private market?

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