Margaret is 25 and files as single on her individual income tax return. She paid $4,200 of student interest expense in 2023. (a) If her AGl is $70,000, how much can Margaret deduct for student loan interest expense? (If answer is zero, please enter 0 , do not leave any fields blank.) Deduction $ Attempts: 1 of 3 used If her AGI is $85,050, how much can Margaret deduct for student loan interest expense? (Round answer to 0 decimal ploces, e.g. 5,125. If answer is zero, please enter 0 , do not leave any fields blank.) Deduction Attempts: 3 of 3 used (c) If her AGl is $99,000, how much can Margaret deduct for student loan interest expense? (If answer is zero, please enter 0 , do not leave any fields blank.) Deduction $