As one may not take both itemized deductions and a standard deduction, taxpayers generally choose the deduction that results in the lesser amount of tax owed.
Brazil is a federal presidential constitutional republic, based on representative democracy. The federal government has three independent branches: executive, legislative, and judicial. Executive power is exercised by the executive branch, headed by the President, advised by a Cabinet.
Dilma Vana Rousseff is the President of Brazil as of January 2011. She is the 36th President of Brazil, and the first woman president of Brazil.