Inventory Computation Using Different Cost Flows The Webster Store shows the following information relating to one of its products Inventory, January 1300 unts e $17.50 Sales January 8 200 unlts 900 units @ $18.00 800 units Sales, January 18... . Purchases, January 20. Sales, January 25 1. What are the values of ending inventory under a periodic inventory system assuming FIFO7 1200 units e $19.50 1,000 units 2. What are the values of ending inventory under a periodic inventory system assuming LIFO? 3. What are the values of ending inventory under a periodic inventory system assuning average cost flow? Round average unit cost to three decim nearest dollar