Despite the actual tax rate reductions of the Jobs and Growth Tax Relief Reconciliation Act of 2003, tips for sites marginal tax bracket for many retirees is often a whopping forty six.3%. Why? Because Social Security benefits are subject to income in taxes. Those affected are Social Security recipients who have enough good fortune (misfortune?) pertaining to being subject to both the 25% income tax bracket along with the 85% inclusion rate for Social Security benefits. B) Interest earned, al...