The balance on a mortgage was $43,400 and an interest rate of 5.50% compounded semi-annually was charged for the remaining 3-year term. Monthly payments were made to settle the mortgage.

a. Calculate the size of the monthly payments.

b. If the monthly payments were set at $1,410, how long would it take to pay off the mortgage?

c. If the monthly payments were set at $1,410, calculate the size of the final payment.