During January, Precision Company sold 380 units of product J. It's beginning inventory and purchases during the month were as follows

Jan 1 Beginning inventory 100 units @ 20

Jan 5 Purchases 100 units @ 24

Jan 10 Purchases 100 units @ 22

Jan 15 Purchases 100 units @ 24

Jan 20 Purchases 100 @ 28

Jan 25 Purchases 100 @ 26

Goods available for Sale; 600

Ending Inv; 220units

Compute the ending inventory and cost of goods sold under each of the methods listed. Average cost, FIFO, and LIFO.