The following information is available for Waterson's Inc. Date Units Unit Cost September 1, 2020 (beginning inventory) $ 50.00 400 September 10, Purchases:2020 300 52.00 September 15, 2020 600 52.50 September 30, 2020 400 55.00 The company maintains a periodic inventory system. A physical inventory count shows 500 units in stock on September 30. Compute Cost of Goods Sold for September, 2020 using the FIFO method. (Round your final answers to the nearest whole dollar, do not use dollar signs, or commas in your answer) What is the ending inventory as of January 31, 2020 using the FIFO method. (do not use dollar signs or commas in your answer) AJ