4 E7-7 (Algo) Calculating Cost of Ending Inventory and Cost of Goods Sold under Periodic FIFO, LIFO, and Weighted Average Cost [LO 7-3] Chukktracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each month, as it uses a periodic inventory system Assume Oahu k records show the following for the month of January Sales totaled 310 units P Purchase Required Calculate the number and cost of goods avarafor 2 Calculate the number of units in ending inventory Ciculate the cost of ending inventory and cost of goods sold using the FIFO, UFO, and weighted average cost methods Complete this question by entering your answers in the tabl Calculate the number of units in ending inventory