What is the efficient number of students?

I am confused as to how to answer these 4 questions. Any help will be greatly appreciated!! Show more I am confused as to how to answer these 4 questions. Any help will be greatly appreciated!! 1. The figure below shows the marginal private benefit from college education. The marginal cost of a college education is a constant $6000 a year. The marginal external benefit from a college education is a constant $4000 per student per year. a. (a) What is the efficient number of students? If colleges are private (no g overnment involvement) how many people enroll what is the tuition and what is the deadweight loss? b. (b) If the government provides public colleges what is the tuition that will achieve the efficient number of students? How much must taxpayers pay? c. (c) If the government subsidizes private colleges what subsidy will achieve the efficient number of college students? d. (d) If the government offers students vouchers what value of the voucher will achieve the efficient number of students? Show less