The Figure Above Shows the Demand for College Education (D)

Multiple Choice

The figure above shows the demand for college education (D) , the marginal social benefit of college education (MSB) , and the marginal cost of the private schools (MC) .
-In the figure above,suppose the government provides vouchers worth $15,000 per student per year.Then the market equilibrium occurs at a tuition of ________ a year and ________ million students.

A) $10,000; 15
B) $25,000; 15
C) $15,000; 15
D) $15,000; 7.5
E) $20,000; 20