PLease answer all three questions since the work together

QUESTION 18 You are considering the purchase of a new home which costs $450,000. You have saved $100,000 for a down payment and need to take a mortgage loan for the remaining $350,000. One mortgage is payable over 30 years at a fixed interest rateof 3.6% annually. The other is payable over 15 years at a fixed rate of 3.0% annually. What would be your monthly payment on the 30-year loan, rounded to the nearest dollar? QUESTION 19 What would be your monthly payment for the 15-year loan in the case above? QUESTION 20 How much interest would you save over the entire life of the loans if you were able to take the 15-year loan vs. the 30-year loan