Computing Cost of Sales and Ending Inventory Stocken Company has the following financial records for the current period Units Unit Cost Beginning Inventory Purchases: #1 #2 #3 100 650 550 200 $ 28 20 18 Ending inventory is 350 units. Compute the ending inventory and the cost of goods sold for the current period using (a) first-in, first out, (b) average cost, and (c) last-in, first out. (a) First-in, first-out Ending inventory $ Cost of goods sold $ (b) Average cost Ending inventory Cost of goods sold $ (c) Last-in, first-out Ending inventory $ Cost of goods sold $