5) You are provided with the following information about the bookstore at your university. Cost of sales for the year ended June 30, 20x2 5 510,000 Inventory balance on June 30, 20x1 125,000 Inventury balance on June 30, 2002. 165.000 Required: a. Calculate the inventory tumover ratio for the year ended June 30, 20x2. b. What is the average length of time that it took to sell its inventory in 20X2 c. Is the inventory turnover ratio satisfactory? What would you need to know to fully answer this