Despite the new tax rate reductions of the Jobs and Growth Tax Relief Reconciliation Act of 2003, helpful ideas marginal tax bracket for many retirees is a whopping forty-six.3%. Why? Because Social Security benefits are subject to income taxation. Those affected are Social Security recipients who check out good fortune (misfortune?) turn out to be subject to both the 25% income tax bracket along with the 85% inclusion rate for Social Security benefits. B) Interest earned, although not paid, ...