Frank, age 35, and Joyce, age 34, are married and file a joint income tax return for 2017. 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 $12,800. Frank and Joyce do not have any dependents.

Table for the standard deduction

Filing Status	2017 Standard Deduction
Single	$ 6,350
Married, filing jointly	12,700
Married, filing separately	6,350
Head of household	9,350
Qualifying widow(er)	12,700

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?