Mariam bought a condo for RM 600,000. She made a 10% down payment and financed the balance through a bank for 35 years.

(a) If the interest rate was 7% compounded monthly, find the monthly payment that Mariam made to settle the loan. (5 marks)

(b) How much was the total interest charged? (3 marks)

(c) Suppose Mariam missed the first four payments. How much should be paid on the fifth month if she wanted to settle the outstanding arrears? (5 marks)

(d) Immediately after paying for 12 years, Mariam wants to settle the loan in full. How much is the amount that need to be paid? (6 marks)