Periodic System- Calculating Ending Inventory and Cost of Sales using FIFO The following information is available for Water Inc. Date Units Unit Cost 400 $50.00 300 52.00 January 1, 2020 (beginning inventory) Purchases: January 10, 2020 January 15, 2020 January 30, 2020 600 52.50 400 55.00 The company maintains a periodic inventory system. A physical count shows 500 units in stock on January 31. What is (a) ending inventory on January 31, and (b) cost of goods sold for January, using the FIFO inventory method? Note: Round your final answers below to the nearest whole dollar. a. Ending inventory on January 31, 2020$ b. Cost of goods sold for January $