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
Working Tax Credit from the earlier benefit for working families known as Family Credit (FC), which had been in operation since 1986. The WFTC shared its assessment of means and period of renewal (6 months) with FC but moved towards a tax credit approach styled on schemes in other countries, which used an annual declaration of income to assess entitlement for a whole year. Tax credits also replaced the child elements in means tested benefits, the Children's Tax Credit in the tax system, and disabled persons tax credit. In 2014 WTC and CTC combined cost £30 billion per year. The basic operation of