The tax on insulin in the Philippines is about 20 percent. If you are rich and live in the Philippines, the tax is not a problem, but if you are poor, insulin becomes something that you cannot afford. Diabetics who take insulin care so much about the tax because _______.
A.
the demand for insulin is almost perfectly inelastic and buyers pay the almost all of the tax
B.
the tax allows sellers to increase their profit
C.
more insulin can be provided to those in need
D.
the tax is paid equally by buyers and sellers