The following information is taken from the inventory records of the CNB Company for the month of September: Beginning inventory. 9/1/2018 6,400 units @ $10.00 Purchases: 3,600 units @ $11.50 9/25 10,000 units @ $12.30 Sales: 9/10 4,000 units 9/29 5,000 unita 11. 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. Repeat requirement 1 assuming that the company uses a perpetual inventory system. Complete this question by entering your answers in the tabs below. Required 1 Required 2 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. (Round Average Cost per Unit" to 2 decimal places.) Cost of Goods Available for Sale Unit Cost of Goods Cost of Goods Sold - Average Cost of units Average Ending Inventory - Average Cost Average Ending in ending Average Cost Cost of of units of units Available for Cost Cost per Unit sold Goods Sold ending inventory Cost per Inventory Sale Beginning Inventory Purchases 9/7 9/25 Total Complete this question by entering your answers in the tabs below. Required 1 Required 2 Repeat requirement 1 assuming that the company uses a perpetual inventory system. (Enter inventory reductions for sales with a minus sign. Round "Average Cost per Unit" to 2 decimal places.) Perpetual Average Inventory on hand # of units Cost per Inventory unit Value Cost of Goods Sold # of units Average Cost of sold Cost per unit Goods Sold Beginning Inventory Purchase - September 7 Subtotal Average Cost Sale - September 10 Subtotal Average Cost Purchase - September 25 Subtotal Average Cost Sale - September 29 Total