Jack and Melissa have recently bought a house with the help of a mortgage loan from Davego Bank. The bank is charging interost on a fixed basia Howeyer they also have their own DBA (Dave Base Rate) whichys its base rate. Jack and Melissa are supposed to ppy a fixed interest rate of 357% on their mortgage. Which of the following is true? The interost charged on this mortgage is going to remain the same The interest charged on the mortgage can be changed if Jack and Melissa agroe for the changes in advance The changes in DQR will not affect the interest charged until the boso rate changes by more than 1.7% The bank can change its base rate and that will rosilt in a change in the interest rate charges on this mortgapo