If Tuition at a College Is $30,000 and the External

Multiple Choice

If tuition at a college is $30,000 and the external benefit of graduating from this college is $10,000,then
i.in the absence of any government intervention,the number of students graduating is less than the efficient number.
ii.the government could increase the number of graduates by giving the college a $10,000 subsidy per student.
iii.the government could increase the number of graduates by giving the students $10,000 vouchers.

A) i only
B) i and ii
C) i and iii
D) ii and iii
E) i, ii, and iii