A borrower is purchasing a property for $300,000 and can choose between two possible loan alternatives. The first is a 90% loan for 20 years at 6.0% interest and the second is an 80% loan for 20 years at 5.0% interest. Assume the loan will be held to maturity. What is the incremental interest cost of borrowing the extra money?
Loan 1 Loan 2
Loan to value ratio 90% 80%
Interest rate 6.0% 5.0%
Term 20 years 20 years
Please provide Explanation and how you did this using a financial calculator