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 310 units. Beginning Inventory Purchase Purchase Date January 1 January 15 January 24 Units 240 Unit Cost $ 80 Total Cost 360 90 200 110 $ 19,200 32,400 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 not complete. Complete this question by entering your answers in the tabs below. 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. FIFO LIFO Weighted Average Cost Cost of Ending Cost of Goods Inventory Sold