A Progressive Income Tax System Is One in Which

A progressive income tax system is one in which:

A) income tax rates decrease as earned income increases.
B) everyone pays the same tax rate, so that wealthier people pay a larger sum of taxes.
C) everyone pays the same tax rate, so that people with low incomes pay a smaller sum of taxes.
D) income tax rates increase as earned income increases.
E) incomes taxes are based on occupation.