I need help please !!

Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but opplies its inventory costing methed at the end of each month, as if it uses a periodic inventory system. Assume Oshu Kikl's records show the following for the month of January. Sales tolaled 270 units. Required: 1. Caiculate the number and cost of goods available for sale. 2. Calculate the number of units in ending iaventory. 3. Calculate the cost of ending inventory and cost of goods sold using the (a) FFO, PJ UFO, and (s) weighted average cost methods. Complete this question by entering your answers in the tabs below. methods