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. Social Security taxes are another U.S. payroll tax deduction. Under the authority of the Federal Insurance Contributions Act (FICA), these payroll taxes are collected to fund Social Security initiatives, including retirement and disability programs. The Social Security tax rate is 4.2 percent of an employee's wages for 2011.