Samuelson and Messenger (SAM) began 2021 with 360 units of its one product. These units were purchased near the end of 2020 for $20 each. During the month of January, 180 units were purchased on January 8 for $23 each and another 360 units were purchased on January 19 for $25 each. Sales of 170 units and 270 units were made on January 10 and January 25, respectively. There were 460 units on hand at the end of the month. SAM uses a periodic inventory system. Required: 1. Calculate ending inventory and cost of goods sold for January using FIFO. 2. Calculate ending inventory and cost of goods sold for January using average cost.

FIFO	Cost of Goods Available for Sale			Cost of Goods Sold - Periodic FIFO			Ending Inventory - Periodic FIFO
	# 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	360	$20.00	$7,200		20.00	$0		$20.00	$0
Purchases:
January 8	180	23.00	4,140		23.00	0		23.00	0
January 19	360	25.00	9,000		25.00	0		25.00	0
Total	900		$20,340	0		$0	0		$0