Marc and Michelle are married and earned salaries this year of $68,000 and $12,000, respectively. In addition to their salaries, they received interest of $350 from municipal bonds and $500 from corporate bonds. Marc contributed $3,000 to a qualified Individual Retirement Account, and Marc paid alimony to a prior spouse in the amount of $1,500 (2017 divorce) Marc and Michelle have a 10-year-old son, Matthew, who lived with them throughout the entire year. Thus, Marc and Michelle are allowed to claim a $2,000 child tax credit for Matthew. Marc and Michelle paid $6,000 of expenditures that qualify as itemized deductions and they had a total of $3,500 in federal income taxes withheld from their paychecks during the course of the year.

A.) What is Marc and Michelles gross income?

B.) What is Marc and Michelle's adjusted gross income?

C.) What is Marc and Michelle's taxable income?

D.) What is Marc and Michelle's taxes payable or refund due?