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 Units Unit Cost Total Cost Beginning Inventory January : 220 $ 80 $17.680 Purchase January 15 310 90 27.900 Purchase January 24 278 110 29.780 Required: 1. Calculate the number and cost of goods avallable 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) welghted average cost methods. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required Calculate the number and cost of goods available for sale. units Number of Goods Available for Sale Cost of Goods Available for Sale Required 2 > Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Calculate the number of units in ending inventory. Ending Inventory Complete this question by entering your answers in the tabs below. Required 2 Required 3 Required 1 Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO, (6) LIFO, and (c) weighted average cost methods. Cost of Ending Cost of Goods Inventory Seld FIFO LIFO Weighted Average Cost