Pandemica, Inc. uses a periodic inventory system and has the following information in regard to its inventory during June: Transaction Units Unit Cost Total Cost 6/1 Beginning Inventory 300 $ 14 $ 4,200 6/9 Purchase 400 18 7,200 6/21 Purchase 100 20 2,000 6/29 Purchase 200 4,800 Available for sale 1,000 $ 18,200 24 a. Pandemica has ending inventory of 410 units. Determine the cost of goods sold using the FIFO method. b. Determine the value of the ending inventory using the LIFO method. Determine the cost of goods sold using the weighted average cost method. c. Cost of Goods Sold using FIFO: Ending Inventory using LIFO: Cost of Goods Sold using weighted cost average method