Despite fresh tax rate reductions of the Jobs and Growth Tax Relief Reconciliation Act of 2003, tips for sites marginal income tax bracket for many retirees is often a whopping fouthy-six.3%. Why? Because Social Security benefits are subject to income income tax. Those affected are Social Security recipients who include the good fortune (misfortune?) always be subject to both the 25% income tax bracket and also the 85% inclusion rate for Social Security benefits. A personal exemption redu...