Coordinates of Miami in decimal degrees. Coordinates of Miami in degrees and decimal minutes. All coordinates are given in the WGS 84 coordinate reference system. WGS 84 is the latest revision of the World Geodetic System, which is used in mapping and navigation, including GPS satellite navigation system (the Global Positioning System). Geographic coordinates (latitude and longitude) define a position on the Earth's surface. Coordinates are angular units.
The Federal Income Tax is a marginal income tax collected by the Internal Revenue Service (IRS) on most types of personal and business income. The federal income tax consists of six marginal tax brackets, ranging from a minimum of 10% to a maximum of 39.6%.
The rate of tax at the federal level is graduated; that is, the tax rates on higher amounts of income are higher than on lower amounts. Some states and localities impose an income tax at a graduated rate, and some at a flat rate on all taxable income. Federal tax rates in 2013 varied from 10% to 39.6%.