Aircard Corporation tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each period as if it uses a perlocic inventory system. The following are the transactions for the month of Ifly. Calculate the cost of goods avallable for sale. ending inventory, and cost of goods sold if Aircard uses (a) FFO. (D) LIFO. or (C) weighted averoge cost (Round "Cost per Unit" to 2 decimal ploces.)