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:
2 things to keep in mind about tax brackets. These are a couple of areas in which people get confused with tax brackets. First, the tax bracket that you're in doesn't necessarily apply to all of your income. For instance, if you're single with taxable income of $40,000, you're in the 25% bracket. But you only paid tax at a 25% rate on the last $2,050 you earned.