the 200 2010 period. Q3). (CLO1,2) Inventory management Wilkins Manufacturing has annual sales of $4 million and a gross profit margin of 40%. Its end-of-quarter inventories are Quarter 1 Inventory $400000 2 800,000 3 1,200,000 4 200,000 a). Find the average quarterly inventory and use it to calculate the firm's inventory turnover and the average age of inventory. b). Assuming that the company is in an industry with an average inventory turnover of 2.0, how would you evaluate the activity of Wilkins' inventory