For calendar year 2021, Stuart and Pamela Gibson file a joint return reflecting AGI of $361,600. Their itemized deductions are as follows: Note: All expenses are before any applicable limitations, unless otherwise noted. Casualty loss in a Federally declared disaster area (not covered by insurance; before the 10%-of-AGI limitation but after the $100 floor) Home mortgage interest (loan qualifies as acquisition indebtedness) Credit card interest $71,800 28,720 1,436 Property taxes on home Charitable contributions State income tax Tax return preparation fees 21,540 39,490 25,130 2,154 Round your final answers to the nearest whole dollar. Calculate the amount of itemized deductions the Gibsons may claim for the year. Troy's financial records for the year reflect the following: Interest income from bank savings account Taxable annuity receipts City ad valorem property tax on investments Investment interest expense $1,640 3,280 246 5,740 Calculate Troy's net investment income and his current investment interest deduction. How is a deduction for any potential excess investment interest treated? Troy's net investment income is $ and his investment interest deduction is $ investment interest expense not deducted this year is Any potential excess