Finished goods staying at the finished goods stage that is average stock of finished goods divided by average stock of finished goods divided by average cost of average cost of goods sold, average cost of goods sold per day, average cost of goods sold per day. So this is how we can calculate the say duration of the finished goods.
तैयार माल जो कि तैयार माल के स्तर पर है, यानी कि  तैयार माल का औसत जिसको की  प्रतिदिन बेचे जाने वाले माल के मूल्य के औसत से भाग दिया जाता है, इस प्रकार से तैयार माल की अवधि की गणना की जा सकती है ।