Seven years ago, you took out a 30 year mortgage loan to buy a home (thus is has 23 years left). The mortgage requires monthly payments of $1355.00 and has an APR of 6% (APR, compounded monthly). Now you have decided to refinance with a new 30 year mortgage loan with monthly payments and an APR of 6.6% (compounded monthly). a) What are the required payments on the new loan? b)If you wish to pay of the new mortgage in 23 years instead of 30, what monthly payments should you make after the refinance?