i keep getting this problem wrong help

The following information is taken from the inventory records of the CNB Company for the month of September: Beginning inventory, 9/1/2021 6,400 units $10.00 Purchases: 977 3,600 units $11.50 9/25 10,000 units $12.30 Sales: 9/10 4,000 units 9/29 5,000 units 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. 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 Complete this question by entering your answers in the tabs below. De 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 Sear's Inventory (Round cost per unit to 2 decimal places) Average Cont Cost of Goods Available for Sale Cost of # of units Unit Cost Goods Available for Sale 0.400 10.00 4,000 Cost of Goods Sold - Average Cost of unita Average Cost of sold Cost per Unit Goods Sold Ending Inventory. Average cost Hof units Average in ending Cost per Ending unit Inventory Inventory Beginning inventory Purches 30005 10.000 20.000 11 50 12.30 9:25 41,400 123,000 220.00 5 9.000 11.625 102.780 11.00015 Total 115 3.600 Required 2 > my Complete this question by entering your answers in the tabs below. Required 1 Required 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 (Enter Inventory reductions for sales with a minusson Hound cost per unit to 2 decimal places) Inventory on hand Cost of Goods sold Perpetual Area of units Cost per Inventory w of units Average com cott of Goods unit Value sold per unit Sold Beginning inventory Purchase Soomber Subota Average Cost 0 Sale September 10 0 Sutton Average cost Purchase September 25 Subota Avengo Cost Sa Soptember 25 0 Total 0 0