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 Units Unit cost Total cost Beginning Inventory January 1 100 $ 88 $ 8.000 Purchase January 15 49,500 Purchase January 24 22,000 450 200 90 110 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. (6) LIFO, and (c) weighted average cost methods. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required a Calculate the number of units in ending inventory units 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. Cost of Ending Cost of Goods Inventory Sold FIFO LIFO Weighted Average Cost