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 320 units. Date January 1 January 15 January 24 Units Unit Cost Total Cost Beginning Inventory Purchase Purchase 260 420 220 $ 85 95 115 $22,100 39, 900 25, 300 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. Complete this question by entering your answers in the tabs below Required 1 Required 2Required 3 Calculate the number and cost of goods available for sale Number of Goods Available for Sale units Cost of Goods Available for Sale 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. units Ending Invento K Required 1 Required 3> Complete this question by entering your answers in the tabs below Required Required 2Required 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 Sold FIFO LIFO Weighted Average Cost