After setting off a good career start, it was time to buy a home. The decision to buy the home was based on a balance between renting cost and cost of borrowing to buy a house. The house sale price is $490,000 plus 10,000 closing fees. A downpayment of $125,000 was made and due to credit rating the following mortgage was offered: 2.85% compounded monthly amortized over 25 years. Estimate the monthly payment If 24 months into the mortgage, an extra 50,000 was paid against the mortgage, assuming the same monthly payment in [A] and same interest rate, how many months will it take to clear the mortgage in full