a) Gordon is repaying a $15000 loan at 9% compounded monthly with monthly payments (end of the month) over 3 years. What is the outstanding balance just after the 12th payment? Answer: b) Just after the 12th payment, Gordon refinances the loan at 6% compounded monthly. If the number of payments remains unchanged, what will be the new monthly payment? Answer: c) refer to part b, and what will be the total savings in interest