Question

Mary bought a house for RM 350,000 5 years before and paid a 10% down payment and took a 15 years bank loan for the remaining amount. The bank charges 4.38% p.a. compound interest on a reducing balance basis on property loans. Mary is to repay the loan by equal monthly installments of RM2,390.46 the first to be paid in one month from today(year 2001).
One day, Mary win the lottery about RM 50,000, she decide to take this amount to pay her remaining debt to see whether worth or not. Besides that, she still have 10 years left to finish her loan.