Calculate the ending inventory value and the cost of goods sold under the average cost, FIFO and LIFO methods:  Average Cost Method     Given: Date Units Purchased Cost per unit Total Cost Beginning Balance January 1, 20xx 640 $ 5.00 $ 3,200.00 Purchases from January 17, 20xx 200 $ 5.50 $ 1,100.00 Purchases from January 30, 20xx  225 $ 5.60 $ 1,260.00 Total Goods Available for Sale 1,065  $ 5,560.00 Weighted Average Cost per Unit $ 5.22 Ending Inventory Quantity  545 Ending Inventory Valuation $ - Cost of goods available for sale  Deduct: Ending Inventory  Cost of goods sold   FIFO Method     Given: Date Units Purchased Cost per unit Total Cost Beginning Balance January 1, 20xx 640 $ 5.00 $ 3,200.00 Purchases from January 17, 20xx  200 $ 5.50 $ 1,100.00 Purchases from January 30, 20xx 225 $ 5.60 $ 1,260.00 Total Goods Available for Sale  1,065  $ 5,560.00 Ending Inventory Quantity  545 Ending Inventory Valuation    Cost of goods available for sale  Deduct: Ending Inventory  Cost of goods sold   LIFO Method     Given: Date Units Purchased Cost per unit Total Cost Beginning Balance January 1, 20xx 640 $ 5.00 $ 3,200.00 Purchases from January 17, 20xx  200 $ 5.50 $ 1,100.00 Purchases from January 30, 20xx  225 $ 5.60 $ 1,260.00 Total Goods Available for Sale 1,065  $ 5,560.00 Ending Inventory Quantity  545 Ending Inventory Valuation    Cost of goods available for sale  Deduct: Ending Inventory  Cost of goods sold