can you help me with this?

The table below shows the demand for university education. The marginal cost of educating a student is a constant $4,000 a year and education creates an external benefit of a constant $2,000 per student per year. all universities are private and the Price Quantity M market for education is competitive, WCalculate the number of students, the (dollars per (students per student) year) tuition, and the deadweight loss. 6,000 10,000 Because the universities are in the 5,000 20,000 private competitive market, the 4,000 30,000 equilibrium quantity will be at where 3,000 40,000 the private marginal cost equals to 2,000 50,000 private marginal value. If all universities are public, calculate the tuition that will achieve the efficient number of students. How much will taxpayers have to pay? c) If the government decides to subsidize private universities, what subsidy will achieve the efficient number of students? d) If all universities are private and the government offers vouchers to those who enroll, calculate the value of the voucher that will achieve the efficient number of