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, as if it uses a periodic inventory system. Assume Oahu Kiki's records show the following for the month of January, Sales totaled 250 units. Date January 1 January 15 January 24 Units 100 450 200 FIFO LIFO Weighted Average Cost Beginning Inventory Purchase Purchase 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. Complete this question by entering your answers in the tabs below. Cost of Ending Inventory Unit Cost $ 80 90 110 Answer is not complete. Required 1 Required 2 Required 3 Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO, (b) LIFO, and (c) weighted average cost methods. Total Cost $8,000 40,500 22,000 Cost of Goods Sold (Required 2