13 Perpetual Inventory Using Weighted Average Beginning inventory, purchases, and sales for WCS12 are as follows: Oct. 1 Inventory 320 units at $10 Sale 180 units Purchase 360 units at $12 Sale 300 units a. Assuming a perpetual inventory system and using the weighted average method, determine the weighted average unit cost after the October 22 purchase. Round your answer to two decimal places. per unit 22 29 b. Assuming a perpetual inventory system and using the weighted average method, determine the cost of goods sold on October 29. Round your "average unit cost" to two decimal places. c. Assuming a perpetual inventory system and using the weighted average method, determine the inventory on October 31. Round your "average unit cost" to two decimal places. FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were available for sale during the year: Beginning inventory 8,100 units at $180 Sale 5,300 units at $300 First purchase 15,000 units at $185 Sale 13,000 units at $300 Second purchase 16,000 units at $192 Sale 14,000 units at $300 The firm uses the perpetual inventory system, and there are 6,800 units of the item on hand at the end of the year. a. What is the total cost of the ending inventory according to FIFO? S b. What is the total cost of the ending inventory according to LIFO? Periodic Inventory by Three Methods The units of an item available for sale during the year were as follows: Jan. 1 Inventory 2,500 units at $5 Feb. 17 Purchase 3,300 units at $6 July 21 Purchase 3,000 units at $7 Nov. 23 Purchase 1,200 units at $8 There are 1,500 units of the item in the physical inventory at December 31. The periodic inventory system is used. a. Determine the inventory cost by the first-in, first-out method. b. Determine the inventory cost by the last-in, first-out method. $ c. Determine the inventory cost by the weighted average cost method. Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales for Item Zeta 9 are as follows: Oct. 1 Inventory 54 units @ $19 7 Sale 43 units 15 Purchase 64 units @ $20 24 Sale 20 units Assuming a perpetual inventory system and using the first-in, first-out (FIFO) method, determine (a) the cost of goods sold on October 24 and (b) the inventory on October 31. a. Cost of goods sold on October 24 $ b. Inventory on October 31 $ Feedback Check My Work a. When the FIFO method is used, costs are included in cost of goods sold in the order in which they were purchased. Think of your inventory in terms of "layers". Determine how much inventory remains from each layer after each sale. b. The ending inventory is made up of the most recent purchases. Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales for Item 88-HX are as follows: July 1 Inventory 96 units @ $18 8 Sale 77 units 15 Purchase 107 units @ $21 27 Sale 90 units Assuming a perpetual inventory system and using the last-in, first-out (LIFO) method, determine (a) the cost of goods sold on July 27 and (b) the inventory on July 31. a. Cost of goods sold on July 27 b. Inventory on July 31