very urgent thnk you

1) (16 points) You purchase a house that costs 800000TL. For this you take out a loan from a bank for 25 years at 8.8% interest. You will pay your debt by making equal monthly payments. After 15 years the interest rates have dropped. Another bank offers you 7.5% interest. You decide to take out a second loan for the next 10 years, which will be paid monthly to this new bank and you pay off your total debt to the first bank. How much were your monthly payments for the first 15 years? How much interest is paid between years 12 and 15? How much are your new monthly payments for the remaining 10 years? How much money is saved in 25 years by doing this refinancing