Examlex
How do drugs act on the nervous system?
Progressive Tax System
A tax that increases as income increases; the percentage or rate increases.
Income
The money received, especially on a regular basis, for work or through investments.
Head of Household
A filing status for individual U.S. taxpayers who are unmarried and pay more than half the cost of maintaining a home for themselves and a qualifying person.
Total Income
The sum of all earnings or revenues received by an individual or organization, before any deductions or taxes.
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