Julie files as Head of Household (HOH), claims the earned income credit (EIC) based on two qualifying children, and claims one child as a dependent. Her former husband claims the other child as a dependent, but both children live with her. The IRS intends to audit her return targeting her EIC claim based on two qualifying children, ages 16 and 20. What would they probably ask her for? Question 15Select one: a. Proof that she provided more than half of each child's total support for the year b. A payment of back taxes because she cannot claim a child as her qualifying child unless that child is also her dependent c. Proof that the 20-year-old child was a full-time student for at least five months of the tax year d. Proof that the children lived with her for the entire tax year