Lionel is an unmarried law student at State University Law School, a qualified educational institution. This year Lionel borrowed $24,000 from County Bank and paid interest of $1,440. Lionel used the loan proceeds to pay his law school tuition. Calculate the amounts Lionel can deduct for interest on higher-education loans under the following circumstances: Note: Leave no answer blank. Enter zero if applicable. a. Lionel's AGI before deducting interest on higher-education loans is $50,000