a) Periodic FIFO	Cost of Goods Available for Sale			Cost of Goods Sold			Ending Inventory
	# of units	Cost per unit	Cost of Goods Available for Sale	# of units sold	Cost per unit	Cost of Goods Sold	# of units in ending inventory	Cost per unit	Ending Inventory
Beginning inventory							0
Purchases:
March 14
July 30
October 26
Total	0		$0	0		$0	0		$0
b) Periodic LIFO	Cost of Goods Available for Sale			Cost of Goods Sold			Ending Inventory
	# of units	Cost per unit	Cost of Goods Available for Sale	# of units sold	Cost per unit	Cost of Goods Sold	# of units in ending inventory	Cost per unit	Ending Inventory
Beginning inventory
Purchases:
March 14
July 30
October 26
Total	0		$0	0		$0	0		$0
c) Gross profit	FIFO	LIFO