Compute the taxable Social Security benefits in each of the following situations:

A. Tyler and Candice are married and file a joint tax return. They have adjusted gross income of $46,000 before considering their Social Security benefits, no tax-exempt interest, and $12,400 of Social Security benefits.

B. Tyler and Candice have adjusted gross income of $12,000 before considering their Social Security benefits, no tax-exempt interest, and $16,000 of Social Security benefits.

C. Tyler and Candice have adjusted gross income of $85,000 before considering their Social Security benefits, no tax-exempt interest, and $15,000 of Social Security benefits.