Department Store, Inc. uses the retail inventory method to estimate ending inventory for its monthly financial statements. The following data relate to a single department for the month of September: a. Using the conventional retail inventory method, prepare a schedule to compute estimated ending inventory at lower of cost or market. And cost of goods sold for September. b. Why do stores use estimated numbers for the interim financial statements? c. A store used the conventional retail inventory method to find that its estimated ending inventory is $29,000. But an accurate physical count indicates that there is only $22,000 of inventory on hand at lower of cost or market. List the factors that may have caused the discrepancy between computed ending inventory and the physical count