Examples of Unethical Research. Whichever ethical requirement may be chosen, the history of human research offers grim examples of its violation. During World War II, German researchers performed a large number of experiments in concentration camps and elsewhere.
First, lower income earners pay no federal income taxes on Social Security benefits, so taxation is not an issue for them. However, once a relatively low threshold level of taxable income is surpassed, somewhere between 50 to 85 percent of benefits are subject to taxation.
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.