A 5-year, RM60,000 loan is being amortized with monthly payments at 12 = 10%. Just after making the 30th payment, the borrower has the loan refinanced at 12 = 8%, with the number of payments to remain unchanged. i. Calculate the original monthly payment. ii. Calculate the outstanding balance right after the 30th payment. iii. Calculate the new monthly payment. iv. Calculate the monthly saving from refinancing the loan.