Your firm is the external auditors of Lataran Bumi Sdn. Bhd., which has revenue of RM12 million and profit before tax of RM900,000. The company operates from the head office at Georgetown, Penang and has sales and inventory holding centres in different parts of Malaysia. The directors have decided the company has reached a size when it needs an internal audit department. As is becoming increasingly common, directors have asked your firm to provide this service to the company as well as being external auditor of the company's annual financial statements. Required: In relation to your audit firm becoming internal auditors of Lataran Bumi Sdn. Bhd. : (a) Describe at least FOUR (4) matters you should consider and the action you will take to ensure your firm remains independent as external auditors of the annual financial statements. (12 marks) (b) Describe TWO (2) advantages and TWO (2) disadvantages to Lataran Bumi Sdn. Bhd. of your firm providing an internal audit service. (8 marks)