Noraini borrows RM80,000 from a bank for five years at 7% compounded monthly.

a. Find the monthly payment. (3 Marks)

b. If she has not paid her first four monthly payments, how much should she pay on the fifth payment to settle all the outstanding arrears? (3 Marks)

c, Immediately after paying the nineteenth monthly payment, she wants to settle the balance of the debt with a single payment. How much should this payment be? (4 marks)