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
Progressive taxation versus flat taxation inspires ongoing debate, and both have proponents and critics. In the United States, the historical favorite is the progressive tax. Progressive tax systems have tiered tax rates that charge higher income individuals higher percentages of their income and offer the lowest rates to those with the lowest incomes. Flat tax plans generally assign one tax rate to all taxpayers.