small items [about 10% of AGI lost through itemized deductions, called tax expenditures] 5 FEDERAL US INCOME TAX: TAX BRACKETS Tax T (z) is piecewise linear and continuous function of taxable income z with constant marginal tax rates (MTR) T (z) by brackets [draw graph] In 2014, 7 brackets with MTR 10%,15%,25%,28%,33%,35%, 39.6% (top bracket for z above $458K), indexed on price inflation Lower preferential rates (up to a max of 20%) apply to dividends (since 2003) and realized capital gains…
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