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 $$38,200$ before considering their Social Security benefits, no tax$-$exempt interest, and $$13,370$ of Social Security benefits. As a result, $fill in the blank $1$

$6,752$

of the Social Security benefits are taxable.

b$.$ Assume Tyler and Candice have adjusted gross income of $$18,400$ before considering their Social Security benefits, no tax$-$exempt interest, and $$20,240$ of Social Security benefits. As a result, $fill in the blank $2$

$0$

of the Social Security benefits are taxable.

c$.$ Assume Tyler and Candice have adjusted gross income of $$116,500$ before considering their Social Security benefits, no tax$-$exempt interest, and $$17,475$ of Social Security benefits. As a result, $fill in the blank $3$

of the Social Security benefits are taxable.