Use the following information to answer questions 1 thru 3 . Sep. 1 Inventory 20 units @ \$20 Sep. 4 Sold 10 units Sep.10 Purchased30 units @ \$25 Sep. 17 Sold 20 units Sep. 30 Purchased 10 units @ \$30 What is the cost of ending inventory using the FIFO method? $400 $650 $725 $800 Ending inventory using the LIFO method would be. $400 $650 $725 $800 QUESTION 3 Ending inventory using the Average Cost method would be. $400 $650 $725 $800