The Following Questions Refer to the Graph Below

The Following Questions Refer to the graph below.
-Which of the following government actions will move the market equilibrium to the socially optimal number of years of education?

A) A tax on education equal to $1,000
B) A tax on education equal to $3,000
C) A tuition subsidy equal to $1,000
D) A tuition subsidy equal to $3,000
E) Government provision of all education