In the bigining inventory blance of item y on July 1 and the purchase of item
During July where as follow
July 1 inventory [email protected] $300
July 7 purchase [email protected] $1320
July 14 purchase [email protected] $672
July 22 purchase [email protected] $696
July 28 purchase [email protected] $375
_____________ ____
Total 3000 3.363
At July 31.the ending inventory consisted 450units determine the cost of the ending inventory
Based on each flowing method of inventory valuation
Fifo method ,lifo method, and avarage cost method.

For FiFO you have to start with beginning inventory and work downwards until you account for inventory sold to get to 450 ending inventory amount.

For LIFO you have to start with ending ending and work backwards until you have 450 units remaining in inventory.

For average cost you simply have to get the average cost per unit for your inventory times the number of units sold.