The following information is available for Water Inc. Units Unit Cost 100 $50.00 75 150 52.00 52.50 100 55.00 Date January 1, 2020 (beginning inventory) Purchases: January 10, 2020 January 15, 2020 January 30, 2020 The company maintains a periodic inventory system. A physical inventory count shows 125 units in stock on January 31. What is (a) ending inventory on January 31, and (b) cost of goods sold for January, using the average cost method? Round unit cost to two decimal places in your calculations. Round your final answers below to the nearest whole dollar. 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 January $