Generally the SAP threshold means $150,000, however refer to FAR 13.5, Test Program for Certain Commercial Items, which permits the acquisition of commercial supplies and services up to $6,500,000 using SAP.
A: The Democratic Party. Prior to 1984, income derived from Social Security benefits was exempt from taxation. Amendments to the Social Security Act passed by Congress in 1983 allowed for 50% of Social Security benefits to be considered taxable income for taxpayers whose total income exceeded specified thresholds.
The amount of Social Security income which is taxable depends on your taxable income. Most high-income retirees will have 85% of Social Security benefits taxable. For lower-income retirees, less than 85% will be taxable, but many retirees in a 15% tax bracket will face a marginal tax rate much higher than 15%. Social security benefits are also taxable in some states (see Figure 1.)