Marc and Michelle are married and earned salaries this year of $66,400 and $12,900, respectively In addition to their salaries, they received interest of $350 from municipal bonds and $800 from corporate bonds. Marc contributed $2,800 to an individual retirement account, and Marc paid alimony to a prior spouse in the amount of $1,800. 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 $6,600 of expenditures that qualify as itemized deductions and they had a total of $5,820 in federal income taxes withheld from their paychecks during the course of the year. (Use the tax rate schedules.) a. What is Marc and Michelle's gross income? Description Amount 0