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
A progressive tax takes a larger percentage of income from high-income groups than from low-income groups and is based on the concept of ability to pay. A progressive tax system might, for example, tax low-income taxpayers at 10 percent, middle-income taxpayers at 15 percent and high-income taxpayers at 30 percent.