It is derived from the surname Brennan, which is an Anglicised form of the Irish Ã³ BraonÃ¡in. The popularity of (forms of) Brendan in Gaelic-speaking countries is thought to have influenced the use and popularity of the etymologically unrelated feminine name Brenda.
Federal Tax Brackets. Your tax bracket is the rate you pay on the last dollar you earn; but as a percentage of your income, your tax rate is generally less than that. First, here are the tax rates and the income ranges where they apply:
What is 'Flat Tax'. Flat tax is a system that applies the same tax rate to every taxpayer regardless of income bracket. Typically, a flat tax applies the same tax rate to all taxpayers, with no deductions or exemptions allowed, but some politicians such as Ted Cruz and Rand Paul have proposed flat tax systems that keep certain deductions in place.