AAA Co. uses a periodic inventory system and has the following information in regard to its inventory: Beginning inventory Purchase on January 25 Purchase on March 15 Purchase on October 2 Goods available for sale 400 units @ 17 500 units @ 18 400 units @ 19 600 units @ 20 $ 6,800 9,000 7,600 12,000 $35,400 There are 850 units in ending inventory. What is the amount of the ending inventory using the FIFO method? Multiple Choice o $16.750 O $12000 0 $15.800 O $6.500