aa. Tyler and Candice are married and file a joint tax return. They have adjusted gross income of $39,600 before considering their Social Security benefits, no tax-exempt interest, and $13,860 of Social Security benefits. As a result, $ of the Social Security benefits are taxable. b. Assume Tyler and Candice have adjusted gross income of $18,000 before considering their Social Security benefits, no tax-exempt interest, and $19,800 of Social Security benefits. As a result, $fill in the blank 2 of the Social Security benefits are taxable. c. Assume Tyler and Candice have adjusted gross income of $107,500 before considering their Social Security benefits, no tax-exempt interest, and $16,125 of Social Security benefits. As a result, $fill in the blank 3 of the Social Security benefits are taxable.