Which statement  best  supports the idea that the united states has a progressive income tax?
a. the more money someone makes, the higher the percentage he or she pays in taxes. 
b. single-wage earners are taxed at the same percentage, regardless of income. 
c. americans pay higher taxes than single-wage earners in other countries. 
d. tax percentages are evenly distributed across the tax brackets. 

A. The more money one makes, the higher the percentage he or she pays in taxes is the correct answer.

Explanation:

The progressive income tax is a type of income tax in which a lower tax is imposed on the lower income group as compared to those with higher income group. It is based on the taxpayers ability to pay taxes and taxes larger percentage of taxes form the high income group than the low income individuals. The major thought behind this tax is that the Lower income people spend major part of their earning in maintaining their standard of living while the rich ones can easily afford their basic necessities.  It reduces the tax burden on the low income group.  This system of taxation is used in US.

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