AAA Co. uses a periodic inventory system and has the following information In regard to its Inventory 450 units 18 50 units 19 50 units 20 50 units 21 Beginning inventory urchase on January 25 chase on March Purchase on October 2 Goods available for sale $41 There are 750 unts in ending inventory, What is the amount of the ending inventory using the FiFO method? O $15.650 O $18.550 O $13,650 O $8100