Ferris Company began 2018 with 6,000 units of its principal product. The cost of each unit is $6. Merchandise transactions for the month of January 2018 are as follows:

	Purchases
Date of Purchase	Units		Unit Cost*			Total Cost
Jan. 10	5,000		$	7			$	35,000
Jan. 18	6,000			8				48,000
Totals	11,000							83,000

*Includes purchase price and cost of freight.

Sales
Date of Sale	Units
Jan. 5	3,000
Jan. 12	2,000
Jan. 20	4,000
Total	9,000

8,000 units were on hand at the end of the month. Required: Calculate January's ending inventory and cost of goods sold for the month using each of the following alternatives: 1. FIFO, periodic system. 2. LIFO, periodic system. 3. LIFO, perpetual system. 4. Average cost, periodic system. 5. Average cost, perpetual system.

Calculate January's ending inventory and cost of goods sold for the month using FIFO, periodic system.

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
Purchases:
January 10
January 18
Total

Calculate January's ending inventory and cost of goods sold for the month using LIFO, periodic system.

LIFO	Cost of Goods Available for Sale			Cost of Goods Sold - Periodic LIFO			Ending Inventory - Periodic LIFO
	# 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:
January 10
January 18
Total

Calculate January's ending inventory and cost of goods sold for the month using LIFO, perpetual system.

Perpetual LIFO:

Cost of Goods Available for Sale

Cost of Goods Sold - January 5

Cost of Goods Sold - January 12

Cost of Goods Sold - January 20

Inventory Balance

# of units

Cost per unit

Cost of Goods Available for Sale

# of units sold

Cost per unit

Cost of Goods Sold

# of units sold

Cost per unit

Cost of Goods Sold

# of units sold

Cost per unit

Cost of Goods Sold

# of units in ending inventory

Cost per unit

Ending Inventory

Beg. Inventory

Purchases:

January 10

January 18

Total

Calculate January's ending inventory and cost of goods sold for the month using Average cost, periodic system.

Average Cost	Cost of Goods Available for Sale			Cost of Goods Sold - Average Cost			Ending Inventory - Average Cost
	# of units	Unit Cost	Cost of Goods Available for Sale	# of units sold	Average Cost per Unit	Cost of Goods Sold	# of units in ending inventory	Average Cost per unit	Ending Inventory
Beginning Inventory
Purchases:
January 10
January 18
Total

Calculate January's ending inventory and cost of goods sold for the month using Average cost, perpetual system. (Round average cost per unit to 4 decimal places. Enter sales with a negative sign.)

Perpetual Average	Inventory on hand			Cost of Goods Sold
	# of units	Cost per unit	Inventory Value	# of units sold	Avg.Cost per unit	Cost of Goods Sold
Beginning Inventory
Sale - January 5
Subtotal Average Cost
Purchase - January 10
Subtotal Average Cost
Sale - January 12
Subtotal Average Cost
Purchase - January 18
Subtotal Average Cost
Sale - January 20
Total