Undew Inc.s inventory records showed the following data for an item it sells regularly.

Date	Units	Unit Cost
Jan. 1 Inventory	2,400	$10.00
Jan. 3 Purchases	21,600	$10.40
Jan. 7 Sales (at $26 per unit)	8,400
Jan. 20 Purchases	7,200	$11.00
Jan. 22 Sales (at $27 per unit)	19,200
Jan. 30 Purchases	3,600	$12.00

a. Assuming that Undew maintains a periodic inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) average cost, (2) FIFO, and (3) LIFO. Note: Carry all decimals in calculations; round the final answer to the nearest dollar.

Periodic Inventory System	Ending Inventory	COGS
1. Average cost method.	Answer	Answer
2. FIFO method.	Answer	Answer
3. LIFO method.	Answer	Answer

b. Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) moving average, (2) FIFO, and (3) LIFO. Note: Carry all decimals in calculations; round the final answer to the nearest dollar.

Perpetual Inventory System	Ending Inventory	COGS
1. Moving average method.	Answer	Answer
2. FIFO method.	Answer	Answer
3. LIFO method.	Answer	Answer