A mortgage for a condominium had a principal balance of $47,900 that had to be amortized over the remaining period of 8 years. The interest rate was fixed at 4.82% compounded semi-annually and payments were made monthly.

a. Calculate the size of the payments. Round up to the next whole number

b. If the monthly payments were set at $752, by how much would the time period of the mortgage shorten? year(s) months

c. If the monthly payments were set at $752, calculate the size of the final payment.