Compute gross profit earned by the company for each of the four costing methods.

1. Periodic FIFO

# of units	1360
Cost of Goods Available for Sale	$118,810
# of units sold	850
Cost of Goods Sold	$72,150
# of units in ending inventory	510
Ending Inventory	$46,660

2. Periodic LIFO

# of units	1360
Cost of Goods Available for Sale	$118,810
# of units sold	850
Cost of Goods Sold	$76,410
# of units in ending inventory	510
Ending Inventory	$42,400

3. Weighted Average (@ $87.36 Avg Cost per/unit)

# of units	1360
Cost of Goods Available for Sale	$118,810
# of units sold	850
Cost of Goods Sold	$74,256
# of units in ending inventory	510
Ending Inventory	$44.554

4. Specific ID

# of units	1360
Cost of Goods Available for Sale	$118,810
# of units sold	850
Cost of Goods Sold	$74,120
# of units in ending inventory	510
Ending Inventory	$44,690