Return to question E7-5 Calculating Cost of Ending Inventory and Cost of Goods Sold under Periodic FIFO, LIFO, and Weighted Average Cost [LO 7-3 Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each month, asif it uses a periodic inventory system. Assume Oahu Kiki's records show the following for the month of January. Sales totaled 260 units. ts Unit Cost Total Cost Beginning Inventory Purchase Purchase Date Unit 220 January 15 480 January 24 200 January 1 $ 80 90 110 $17,600 43,200 22,000 Required: 1. Calculate the number and cost of goods available for sale. 2. Calculate the number of units in ending inventory. 3. Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO. (b) LIFO, and (c) weighted average cost methods Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below.