ng Mr. Aman wants to refinance his mortgage loan as the interest rates in the market are reduced. The outstanding balance will be borrowed by Aman at the rate of 5% APR. The mortgage loan term was 15 years at 6% APR. The monthly payment on current mortgage loan is $4,000. Aman just made 15th payment. How much amount Aman needs to borrow to refinance his mortgage? (a) $476,591.71 (b) $448,690.58 (c) $474,014.06 (d) $505,820.97