patricia purchased a home on january 1, 2017, for $1,200,000 by making a down payment of $100,000 and financing the remaining $1,100,000 with a loan, secured by the residence, at 6 percent. from 2017 through 2021, patricia made interest-only payments on the loan each year in the amount of $66,000. what amount of the $66,000 interest expense that patricia paid during 2021 may she deduct as an itemized deduction? (assume not married filing separately.)