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, ____ of the Social Security benefits are taxable.

b. Assume Tyler and Candice have adjusted gross income of $15,000 before considering their Social Security benefits, no tax-exempt interest, and $16,500 of Social Security benefits. ____ 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, _____ of the Social Security benefits are taxable.