A couple bought a home, they had a 5.5% loan with monthly payment of $870.60 for 30 years. After making 78 monthly payments they plan to refinance for an amount that includes an additional $35,000 to remodel their kitchen. They can refinance at 1.9% of the time it was late for 25 years and re-financing cost of $625 including with amount refinanced.

a) find amount refinanced

b) find new monthly payment

c) how long will it take to pay off this new loan if they pay 1200 each month.