Determine the percentage of gross margin necessary for Staples to achieve a net profit of 4.89 percent. Estimated net sales are $319,607; estimated operating expenses are $54,333 Inventory Turnover. What is the inventory turnover if a store has $48,000 of BOM (beginning of month) inventory for June and $38,000 for July? Net sales for June were $18,275. Calculate the average inventory for a store with annual sales of $550,000 and an annual inventory turnover of 3.8 Calculate GMROI and inventory turnover, given the following information: $20,000 $75,000 Annual sales Average inventory (at cost) Gross margin 45% a. GMROI = Gross margin in dollars = Average inventory (at cost) b. 2 ways to calculate Inventory turnover Inventory Turnover = net sales - average inventory at retail value Inventory turnover = cost of goods sold = average inventory at cost