The palm has five bones known as metacarpal bones, one to each of the 5 digits. Human hands contain fourteen digital bones, also called phalanges, or phalanx bones: two in the thumb (the thumb has no middle phalanx) and three in each of the four fingers.
The Social Security Administration has announced the 2017 Social Security benefit amounts, and the maximum withholding change for 2017. The maximum taxable earnings for Social Security withholding for 2017 are $127,200. This maximum is up from $118,500 for 2016 and 2015. Medicare withholding has no maximum. The maximum withholding amount is adjusted each year by a formula based on cost of living increases.
Social Security Tax. The Social Security tax is calculated as a fixed percentage of your gross pay. Usually the Social Security tax rate is 6.2 percent, but for 2011 and 2012, Congress lowered the rate for employees to 4.2 percent. There is an annually adjusted income cap. For example, in 2012 the cap increased from $106,800 to $110,100.