Seven years ago Cedric and Bruce purchased a home and got a $453,254  mortgage with a 7year term and 20 year amortization at 7% interest compounded semi anually  with weekly payments. They are renewing their mortgage on the same amortization timeline for a three-year term at 4.25% interest compounded semiannually and by weekly payments For full marks your answer should be rounded to the nearest cent

a) What is the balance remaining after the first term?

b) How much total interest was paid during the first term?

c) How much total principal was paid down during the first term?

d) How much are the new payments for the second term?

e) What is the balance remaining after the second term?