LIFO Periodic System - Calculating Ending Inventory and Cost of Sales using FIFO The following information is available for Water Inc. Date Units Unit Cost The company maintains a periodic inventory system. A physical count shows 250 units in stock on Janu Note: Round your final answers below to the nearest whole dollar. Note: Use your rounded ending inventory answer to compute part b. cost of goods sold. a. Ending inventory on January 31 b. Cost of goods sold for Januar