In 2007 taxpayer had a home mortgage of $1,200,000. By 2019 principal had been paid down to $1,050,000. From 2007 to 2019 the taxpayer secured a series of home equity loans aggregating to $350,000. Now in 2019 taxpayer is going to refinance for a total of $1,460,000 ( $1,050,000 current loan amount, $350,000 home equity loans and $60,000 for a new vehicle purchase). Under the new tax law interest on what part of this new $1,460,000 debt will be deductible?