The inventory records of Kuffel Company reflected the following information for the year ended December 31, 2022: Number of Unit Date Transaction Units Cost Total Cost 1/1 Beginning inventory 150 $ 28 $ 4,200 1/24 Purchase 70 33 2,310 2/22 Sale (100) 0 0 3/7 Purchase 90 39 3,510 4/10 Purchase 140 35 4,900 6/11 Sale (100) 0 0 9/28 12/4 Purchase Sale 50 (100) 39 0 1,950 0 Required: a. Assume that Kuffel Company uses a periodic inventory system. Calculate cost of goods sold and ending inventory under FIFO and LIFO. b. Assume that Kuffel Company uses a perpetual inventory system. Calculate cost of goods sold and ending inventory under FIFO and LIFO. c. LIFO results are different for parts a and b as timing of the application of LIFO rules is relevant.