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 usees a periodic inventory system. Assume Oahu Kiki's records how the following for the month of January. Sales totaled 330 units. Dates Units Unit Cost Total Cost Beginning Inventory January 1 Units 300 Unit Cost $90 Total Cost $27,000 Purchase January 15 Units 400 Unit Cost 100 Total Cost 40,000 Purchase January 24 Units 300 Unit Cost 120 Total Cost 36,000 Required: 1. Calculate the number and cost of goods available for sale Number of Goods Available for Sale Cost of Goods Available for Sale 2. Calculate the number of units in ending inventory. Ending Inventory units 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 Inventory FIFO, LIFO, Weighted Average Cost Cost of Goods Sold FIFO, LIFO, Weighted Average Cost