Tax, it's not a dirty four letter word, but for many among us its connotations are far worse than any bane. It's been found that high tax rates generally relate to outstanding social services and high standards of living. Developed countries, whereas the tax rate exceeds 40%, usually have free health care, free education, systems to deal with the elderly and a higher life expectancy than having lower tax rates. Marginal tax rate will be the rate of tax obtain a on your last (or highest) amoun...