Frank, age 35, and Joyce, age 34, are married and file a joint income tax return for 2016. Their salaries for the year total $84,600 and they have taxable interest income of $3,900. They have no deductions for adjusted gross income. Their itemized deductions are $12,700. Frank and Joyce do not have any dependents.

a. What is the amount of their adjusted gross income? ............. $ ________________

b. What is their deduction for personal exemptions? ................. $ ________________

c. What is the amount of their taxable income? .......................... $ ________________