Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies to inventory costing method at the end of each month as if it uses a periodic inventory system. Assume Oshu Kikis records show the following for the month of January Sales totaled 280 units. lleginning taventory Purchase Purchase Date January 1 January 15 January 24 Units 120 380 200 Unit Cost SBS 95 115 Total cost $ 10,200 36,100 2.3,000 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. (6)LIFO, and (c) weighted average cost methods 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 () FIFO, (b) LIFO, and (c) weighted average cost methods. Cost of Ending triventory Cost of Goods Sold FIFO LIFO Weighted Average Cost