HOW to fill this in itemized deduction and 1040 form return tax : For calendar year 2016, Stuart and Pamela Gibson file a joint return reflecting AGI of $350,000. Their itemized deductions are as follows: Casualty loss after $100 floor (not covered by insurance) $48,600 Home mortgage interest 19,000 Credit card interest 800 Property taxes on home 16,300 Charitable contributions 28,700 State income tax 18,000 Tax return preparation fees 1,200 Calculate the amount of itemized deductions the Gibsons may claim for the year.