Thabo wants to buy wireless Bluetooth earphones which costs R900. He is impatient and does not want to wait and save the money to buy himself the earphones. He applies for a bank loan. The bank approves the loan and gives Thabo four (4) years to amortise the loan. The bank charges an interest rate of 6% compounded yearly for the loan. Find the yearly instalment that Thabo has to pay to the bank.