Marc and Mikkel are married and file a joint tax return.

Marc and Mikkel earned salaries this year of $$66,200$ and $$25,200,$ respectively. In addition to their salaries, they received interest of $$394$ from municipal bonds and $$1,600$ from corporate bonds. Marc contributed $$3,600$ to a traditional individual retirement account, and Marc paid alimony to a prior spouse in the amount of $$2,600($under a divorce decree effective June $1,2006).$ Marc and Mikkel have a $10-$year$-$old adopted son, Mason, who lived with them throughout the entire year. Thus, Marc and Mikkel are allowed to claim a $$2,000$ child tax credit for Mason.

Marc and Mikkel paid $$8,200$ of expenditures that qualify as itemized deductions, and they had a total of $$3,556$ in federal income taxes withheld

from their paychecks during the year. $($Use the tax rate schedules.$)$

a$.$ What is Marc and Mikkel's gross income?

b$.$ What is Marc and Mikkel's adjusted gross income?

c$.$ What is the total amount of Marc and Mikkel's deductions from AGI?

d$.$ What is Marc and Mikkel's taxable income?

e$.$ What is Marc and Mikkel's taxes payable or refund due for the year?

please explain step by step for C$,$D$,$and E$.$