Please answer every part of the question. Thank you!

Oahu Kikl 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 penodic inventory system. Assume Oahu Kiki's records show the following for the month of January. Sales totaled 270 units. Required: 1. Calculate the number and cost of goods avallable for sale. 2. Calculate the number of units in ending inventory. 3. Calculate the cost of ending trventory and cost of goods sold using the (a)FFO, (b) LIFO. and (c) welghted average cost methods. Complete this question by entering your answers in the tabs below. Calculawe the number and cost of goods available for sale. Calculate the number of units in ending inventory. Calculate the cost of ending irventory and cost of goods sold using the (a) FIFD, (b) LIFO, and (c) weighted average cost methods