May Gems Sdn Bhd is a successful jewellery business. The company was recently bought over by Boon who engages his brother-in-law, Wan, to perform the audit. Wan has experience in auditing small business companies but he has no experience or knowledge with the jewellery or gems business. After completing all the steps of the audit process, Wan issues an unqualified opinion that provides reasonable assurance that the company's financial statements contain no material misstatements. Comment on any potential problems with Wan's audit of May Gems Sdn. Bhd.