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." Why do diabetics who take insulin care so much about the tax? Question 8 options: Because more insulin can be provided to those in need Because the tax incidence is equal between the buyers and sellers Because the demand for insulin is almost perfectly inelastic, buyers pay virtually the entire tax Because sellers increase their profit when there is a tax