Concept:Inventory or stock turnover measures how often a business sells and replaces its stock during a period.It is calculated as:Rate of Turnover=Average StockCost of Goods SoldExplanation:First, find the cost of goods sold using the formula:Cost of Goods Sold=Opening Stock+Purchases−Closing StockSubstitute the values:5,600+9,700−4,400=10,900Next, find the average stock:Average Stock=2Opening Stock+Closing StockSubstitute:25,600+4,400=210,000=5,000Now calculate the rate of turnover:5,00010,900=2.18 timesAnswer:The rate of turnover is 2.18 times, which corresponds to option D.