Beginning inventory, purchases, and sales of a commodity are presented below:

Inventory: July 1 15 units at $55

Sold July 6 10 units at $57

Purchased July 9 30 units at $60

Sold July 12 30 units at $58

Purchased July 18 50 units at $65

Sold July 22 40 units at $59

Assuming that the perpetual inventory system is used, determine the Total Cost of the Merchandise Sold and the Total Cost of the Ending Inventory using a) FIFO b) LIFO c) Weighted Average

FIFO	Purchases			Cost of Merchandise Sold			Inventory
Date	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost
30	Balances

LIFO	Purchases			Cost of Merchandise Sold			Inventory
Date	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost
30	Balances

W Avg.	Purchases			Cost of Merchandise Sold			Inventory
Date	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost	Quantity	Unit Cost	Total Cost
30	Balances