13. Schedule 1 Line 33 Student loan interest deduction 14. 2019 Form 1040 Line 8b (Adjusted Gross Income) 15. Schedule-A Itemized Deductions Line 4 (Medical and Dental Expenses) 16. Schedule A Line 7 (Taxes You Paid) 17. Schedule A Line 10 (Interest You Paid) 18. Schedule A Line 14 (Gifts to Charity) 19. Schedule A, Line 15 Casualty and Theft Losses (All items are considered one event) 20. Schedule-A Line 16 (Other Itemized Deductions) 21. 2019 Form 1040 Line 9 (Total Itemized Deductions) 22. 2019 Form 1040 Line 11b (Taxable income) 23. 2019 Form 1040 Line 12a (Income tax liability)