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 300 units. Date Beginning Inventory Purchase Purchase January 1 January 15 January 24 Units 220 310 270 Unit Cost $ 80 Total Cost $ 17,600 90 110 27,900 29,700 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. 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 32.400 $ 42.800 LIFO 5 50,400 $ 24,800 Weighted Average Cost 15 28.200 $ 47,000