Barbara is single and owns a home in the city, which is her primary residence. She also owns a cottage at the beach, which she treats as a vacation home. In April 2020, she borrowed $97,500 on a home equity loan and used the proceeds to pay off credit card obligations and other debt. She paid the following in 2020 Mortgage interest (personal residence) Mortgage interest (cottage) Interest on the home equity loan 9.750 Interest on credit card 4.875 Required: Calculate any AMT adjustment concerning interest in 2020. (Input all the values as positive numbers. Leave no cells blank - be certain to enter "O" wherever required.) $ 29,250 15,600 AMT Adjustment os 29,250 $ $ Regular Taxable Interest Deduction $ 29,250 $ $ 15,600 $ $ 0 $ $ 44,850 $ 0 0 Mortgage interest for residence Vacation cottage Home equity loan Credit card Interest 0 of $ 0 29.250 $ 0