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.
Myth No.5 - The tax on Social Security benefits isn't enough to worry about. Modestly affluent seniors now pay tax on up to 85% of benefits. For example, an affluent senior has 85% of a $20,000 annual benefit taxed at a 25% marginal federal tax rate. The tax on benefits is $4,250 ($20,000 X .85 X .25).