1 the total number of white blood cells in a microliter (1x10-6 liters) of blood, reported as an absolute number of X thousands of white blood cells, and. 2  the percentage of each of the five types of white blood cells.
Benefits to Society. A progressive tax system allows a government to collect a larger amount of tax revenue, which, according to a research paper on sciforums.com, can be used for the benefit of public services, such as education, welfare and medical assistance. Small Business Benefits
The federal government and most states use a system of progressive income tax rates. This means that as your taxable income increases, so does your maximum tax rate. In the 2014 tax year, for example, single people with a taxable income of $9,075 or less pay federal income tax at the tax rate of 10 percent.owever, as taxable income increases, you are subject to tax rates of 15, 25, 28, 33, 35, or 39.6 percent with the higher rates only applying to the higher portions of your income.