How can i solve on BA 2 Plus?

You are buying a house and you are financing the purchase with a mortgage of $194,500. The mortgage has a 30 year term and requires monthly payments. - The mortgage charges an interest rate of 0.3% every month. What is the total interest payment over the life of the mortgage? You are buying a car and you are financing the purchase with a loan of $13,500. The loan has 72 months term and requires monthly payments. The loan charges an. interest rate of 0.6% every month. What is the total interest payment over the life of the mortgage