-The Above Figure Shows the Marginal Social Benefit and Marginal

-The above figure shows the marginal social benefit and marginal social cost curves of coffee in the nation of Kaffenia. There is no external benefit. What is the marginal benefit to the citizen of Kaffenia who consumes the four hundredth pound of coffee each day?

A) $1.00 per pound
B) $2.00 per pound
C) $3.00 per pound
D) $4.00 per pound