Dahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method ot the end of each month, as if it uses a periodic inventory system. Assume Oohu Kiki's records show the following for the month of January. Sales totaled 240 units. Required: 1. Calculate the number and cost of goods avaliable 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 (o) FIFO, (b) LIFO, and (c) weighted average cost methods. Complete this question by entering your answers in the tabs below. Calculate the cost of ending inventory and cost of goods soid using the (a) FIFO, (b) LIFO, and (c) weighted average cost methods