(Appendix 6B) Inventory Costing Methods: Periodic Average Cost Filmonov Inc. has the following information related to purchases and sales of one of its inventory Items: Date Description Units Purchased at Cost Units Sold at Retail June 1 Beginning Inventory 150 units @ $12 = $1,800 9 Purchase 1 200 units $12 - $2,400 14 Sale 1 300 units $25 22 Purchase 2 250 units @ $14 = $3,500 29 Sale 2 225 units $25 Assume that Filimonov uses a periodic inventory system Required: Calculate the cost of goods sold and the cost of ending inventory using the average cost method. (Note: Use four decimal places for per-unit calculations and round all other numbers to the nearest dollar.) Cost of goods sold Cost of ending inventory