Rate schedule (federal income tax) than a dollar in taxable income, thus making the marginal tax rate greater than what is suggested by the table. These schedules apply only to regular US income tax, whereas there is a second income tax, the Alternative Minimum Tax, that uses a different schedule. A taxpayer's tax obligation is the higher of those two income taxes, which makes drawing conclusions from the table even more difficult. All rate schedules have an identical format, containing four columns and seven rows (called "brackets"). The first two columns indicate the range of taxable income that a taxpayer must have to qualify for
Income tax in the United States of certain types of business expenses. Individuals are also allowed credits related to education expenses, retirement savings, child care expenses, some health care premiums, and a credit for each child. Each of the credits is subject to specific rules and limitations. Some credits are treated as refundable payments. Alternative Minimum Tax: All taxpayers are also subject to the Alternative Minimum Tax if their income exceeds certain exclusion amounts. This tax applies only if it exceeds regular income tax, and is reduced by some credits. Additional Medicare Tax: High-income earners may also have to pay an additional 0.9% tax on wages,