Home equity lines. Kai and Ivy Harris have a home with an appraised value of $180,000 and a mortgage balance of only $90,000. Given that an S&L is willing to lend money at a loanto-value ratio of 75 percent, how big a home equity credit line can Kai and Ivy obtain? How much, if any, of this line would qualify as taxdeductible interest if their house originally cost

$200,000? LO1