PLEASE HELP

Oshu Kiki trocks the number of units purchosed and sold throughout esch accounting period but spplies 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 300 units. Required: 1. Colculate the number and cost of goods avvilable for sale. 2 Colculate the number of units in ending inventory. 3. Colculate the cost of ending inventory and cost of goods sold using the (o) FIFO, (b) LIFO, and (c) weighted averoge cost methods. Complete this question by entering your answers in the tabs below. Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO, (b) LIFO, and (c) weighted average cost methods