If someone could help with both 14&15 it would be greatly appreciated!

14) You have just taken out a 25-year $350,000 mortgage to buy a new house (luckily you live in Winnipeg). Your mortgage interest rate is 3.5% per year, compounded semi-annually. a) If you make monthly payments, what is the amount of your payment? (2 marks) b) If you make bi-weekly payments (one payment every two weeks), what is the amount of your payment? (2 marks) 15) Five years ago you took out a 30-year mortgage with a quoted interest rate of 4.5% per year compounded semi-annually for $250,000. You decide to make monthly payments. a) What is the amount of your mortgage payment? (2 marks) b) What is the outstanding balance on your loan after the first 5 years? (1 mark) c) How much interest have you paid over the first 5 years? (2 marks) d) If you keep your monthly payment the same as in a), how long will it take you to pay off your mortgage? (1 mark) e) How much interest will you pays over the remaining years of your mortgage now? (2 marks) f) Instead you decide to make bi-weekly payments (one payment every two weeks) that are exactly half of your monthly payment from part a). How long will it take you to pay off your mortgage? (1 mark) g) How much interest will you pay over the remaining years of your mortgage now? (1 mark)