The three polys. The classic symptoms of high blood glucose are polyuria, polydipsia, and polyphagia. In plain English, that means excessive urination, excessive thirst, and excessive hunger. Any doctor who hears this trio of complaints will reach for a blood glucose meter.
The Social Security component of the FICA tax is regressive, meaning the effective tax rate regresses (decreases) as income increases beyond the compensation limit. The Social Security component is a flat tax for wage levels under the Social Security Wage Base (see Regular employees above).
Box 3 (Social Security Wages) represents the portion taxable for social security purposes. Social security wages are calculated as Federal Taxable Gross (Box 1) plus Retirement Deductions (Box 12). The maximum social security wage amount for 2015 ande 2016 is $118,500. Box 5 (Medicare Wages) represents the portion taxable for Medicare tax purposes. Unlike Social Security wages, there is no cap for Medicare wages. One of the most common differences between box 1 and boxes 3 and 5 is the amount of employee contributions to deferred compensation plans such as traditional 401(k) and 457.