A mortgage for a condominium had a principal balance of $45,500 that had to be amortized over the remaining period of 6 years. The interest rate was fixed at 4.82% compounded semi-annually and payments were made monthly. a. Calculate the size of the payments, rounded up to the next whole number. $728 $1,338 $720 $737 b. If the monthly payments were set at $878, by how much would the time period of the mortgage shorten? 1 years and 1 months 2 years and 2 months 6 years and 6 months 7 years and 8 months c. If the monthly payments were set at $878, calculate the size of the final payment. $1,007.18 -$751.28 $129.70 $74,269.66