I need help with this one please.

1 Shanrock Company uses the periodic inventory method and had the following inventory information avai 1/1 inventory 1/20 Purchase 400 7/25 Purchase 2,400 200 10/20 Purchase 1.400 A physical count of inventory on December 31 revealed that there were 400 units on hand. 600 had been sold. nstructions show cost of Goods sold and Ending Inventory for each of the three methods a. FIFO rning Inventory Y roo Yoo 1(20 Hoo 6 2H00 2,600 b. LIFO Ending Inventony 200 2,400 soo s 8 B o o Average Cost 6,600 1000 400 x 6.6 640