need both req A&B!

M7-19 (Algo) (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under FIFO and LIFO (Perpetual Inventory) [LO 7-S1] 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 perpetual inventory system. The following are the transactions for the month of July. Calculate the cost of ending inventory and cost of goods sold assuming a perpetual inventory system is used in combination with (a) FIFO and (B) LIFO. Complete this question by entering your answers in the tabs below. Calculate the cost of ending inventory and cost of goods soid assuming a perpetual inventory sroctem is used in combination with Fifo. Calculate the cost of ending inventory and cost of goods sold assuming a perpetual inven with FIFO. Calculate the cost of ending inventory and cost of goods sold assuming a perpetual inventory system is used in combination with LIFO