The inventory records of Kuffel Co. reflected the following information for the year ended December 31, 2019:

The inventory records of Kuffel Co. reflected the following information for the year ended December 31, 2019: Date 1/1 Total Cost $ 4,950 2,170 1/24 2/22 3/7 4/10 6/11 9/28 12/4 Transaction Beginning inventory Purchase Sale Purchase Purchase Sale Purchase Sale Number Unit of Units Cost 150 $ 33 70 31 (100) 90 39 140 36 (100) 50 39 (100) 3,510 5,040 - 1,950 Required: a. Assume that Kuffel Co. uses a periodic inventory system. Calculate cost of goods sold and ending inventory under FIFO and LIFO. LIFO FIFO 9,930 $ Cost of goods sold Ending inventory b. Assume that Kuffel Co. uses a perpetual inventory system. Calculate cost of goods sold and ending inventory under FIFO and LIFO. FIFO LIFO Cost of goods sold Ending inventory