Marc and Michelle are married and earned salaries this year of $71,600 and $14,850, respectively. In addition to their salaries, they received interest of $350 from municipal bonds and $1,450 from corporate bonds. Marc contributed $3,450 to an individual retirement account, and Marc paid alimony to a prior spouse in the amount of $2,450. 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 $7,900 of expenditures that qualify as itemized deductions and they had a total of $6,710 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 AmountCorporate bond interest Marc's salary Michelle's salary Gross income b. What is Marc and Michele's adjusted gross income?