12. Taxpayer, age 63 and single, received current year income as set out below Wages Taxable interest income Tax-exempt interest income $25,000 3,000 5,000 36,000 Social Security benefits How much, if any, of Taxpayer's Social Security benefits will be taxable for the year? A $ 36,000 B 18,000 30,600 D 18,950 E None of the above