solve with explanation..

Make sure that the loan is set to $200,000, the interest rate is 4% fixed, term 30 years. 1) Task 1 - If you pay an extra $200 a month, and pay $1200 additional payment every December for the next 19 years al how much interest will you save $57,380.32 b) what date will the entire loan get paid 1/1/2037 cj how much taxes will you save d) what is the loan balance on year 15? el how much was the total payment of the entire loan f how much was the total interest payment