AAA Co. uses a periodic inventory system and has the following information in regard to its inventory Purchase on January 25 urchase on March 15 Purchase on October 2 Goods available for sale 300 units@16 200 units @17 00 units 18 $18 There are 500 units in ending inventory. What is the amount of the ending inventory using the FIFO method O $7.200 O $8.900 o $3,000 O $7.800 F3 FS F6 F7 F8 .@. 2 ,# .s1.% 4 5 6 8