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