If you're trying in order to money, you need to know exactly how much the federal government is taking from safety measure earn. Most people just don't know. Finding out will show you why it's difficult to prosper. This article shows how the fed gets 35.4% of an $80,000 working income. Next, subtract the decimal equivalent rate from 1.00. Multiply this sum by the decimal equivalent yield. Using the same example, for a pre-tax yield of.044 and one rate to do with.25 (25%), your equation is (1....