The following information is taken from the inventory records of the CNB Company for the month of September: Beginning inventory, 9/1/2021 8,000 units @ $11.00 Purchases: 9/7 7,000 units @ $11.30 9/25 9,000 units @ $11.70 Sales: 9/10 6,000 units 9/29 10,000 units 8,000 units were on hand at the end of September. Required: 1. Assuming that CNB uses a periodic inventory system and employs the average cost method, determine cost of goods sold for September and September's ending inventory. 2. Assuming that CNB uses a perpetual inventory system and employs the average cost method, determine cost of goods sold for September and September's ending inventory. Assuming that CNB uses a perpetual inventory system and employs the average cost method, determine cost of goods sold for September and September's ending inventory. (Enter inventory reductions for sales with a minus sign. Round cost per unit to 2 decimal places.) Perpetual Average # of units sold Cost of Goods Sold Average Cost of Cost per Goods Sold unit Beginning Inventory Purchase - September 7 Subtotal Average Cost Sale - September 10 Subtotal Average Cost Purchase - September 25 Subtotal Average Cost Sale - September 29 Total Inventory on hand Cost # of units Inventory per unit Value 8.000 $ 11.00 $ 88,000 7,000 11.30 79,100 15,000 11.14 167.100 6,000 X 11.14 66,840 21,000 11.14 233,940 9,000 11.70 105,300 30,000 11.46 X 339,240 10,000 X 11.46 % 114,600 40,000 453,840 11.46 (10,000) (10,000) (114,600) $ (114,600)