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 $$43,000$ before considering their Social

Security benefits, no tax$-$exempt interest, and $$15,050$ of Social Security benefits. As a result, $ of the Social Security benefits are taxable.

b$.$ Assume Tyler and Candice have adjusted gross income of $$17,000$ before considering their Social Security benefits, no tax$-$exempt interest, and $$18,700$ of Social Security benefits. As a result, $$ of the Social Security benefits are taxable.

c$.$ Assume Tyler and Candice have adjusted gross income of $$106,000$ before considering their Social Security benefits, no tax$-$exempt interest, and $$15,900$ of Social Security benefits. As a result, $ of the Social Security benefits are taxable.

Bigham Corporation, an accrual basis calendar year taxpayer, sells its services under $12-$ and $24-$month contracts. The corporation provides services to each customer every month. On July $1,2022,$ Bigham sold the following customer contracts:

$\backslash$table$[[$Length of contract,Total Proceeds$],[12$ months,$$16,000$