-The Above Figure Shows the Marginal Social Benefit and Marginal

-The above figure shows the marginal social benefit and marginal social cost curves of doughnuts in the nation of Kaffenia. There is no external benefit. What is the marginal benefit to the citizen of Kaffenia who consumes the 100th dozen doughnuts each day?

A) $10.00 per dozen
B) $8.00 per dozen
C) $6.00 per dozen
D) $4.00 per dozen