In 2020, Kanye West paid $40,000 of interest on a mortgage on his home (Kanye borrowed $600,000 in 2014 to buy the residence and it is currently worth $1,000,000), $6,000 on a $75,000 home-equity loan on his home (proceeds used to buy a car and pay off consumer debt), and $10,000 of interest on a mortgage on his vacation home (loan of $300,000; home purchased for $400,000 in 2016). How much interest expense can be deducted as an itemized deduction?