Answer: D. $7,500
Step-by-step explanation:
Before the $150,000 mortgage at 5%, the existing $40,000 balance of the loan was paid off. Therefore, only the mortgage was payable. At 5% x %150,000 = $7500 interest.
Therefore, the amount $7500 interest expense Kris will deduct as home related interest expense would be $7,500.