What are some concerns an auditor may have about this client, and how would they address the concerns? Discuss this in terms of the Audit Risk Model (AR = IR*CR*DR).

You have been assigned to the audit of inventory for a private company that owns and operates a chain of retail jewelers. The company's sales revenue has grown by 300% in the last two years, primarily by acquisitions. Because the company has grown through acquisition, the company has not yet brought two acquired companies (representing 35% of sales) under the company's inventory system. As a result, the company is currently operating with three different inventory control systems