Determine the taxable amount of Social Security benefits for the following situations. If required, round your answers to the nearest dollar. If an amount is zero, enter " 0 ". a. Tyler and Candice are married and file a joint tax return. They have adjusted gross income of $39,400 before considering their Social Security benefits, no tax-exempt interest, and $13,790 of Social Security benefits. As a result, $ X of the Social Security benefits are taxable. b. Assume Tyler and Candice have adjusted gross income of $15,800 before considering their Social Security benefits, no tax-exempt interest, and $17,380 of Social Security benefits. As a result, $ X of the Social Security benefits are taxable. c. Assume Tyler and Candice have adjusted gross income of $104,500 before considering their Social Security benefits, no tax-exempt interest, and $15,675 of Social Security benefits. As a result, $ X of the Social Security benefits are taxable