Inventory records for Herb's Chemicals revealed the following:

March 1, 2021, inventory: 1,150 gallons @ $7.5 per gallon = $8,625

Purchases:							Sales:
Mar. 10	630	gals	@	$	7.55		Mar. 5	430	gals
Mar. 16	830	gals	@	$	7.60		Mar. 14	730	gals
Mar. 23	630	gals	@	$	7.65		Mar. 20	530	gals
							Mar. 26	730	gals

The ending inventory under a periodic inventory system assuming average cost (rounding unit cost to three decimal places) is:

• $6,203.

• $6,223.

• $6,193.

• $6,121.

Data below for the year ended December 31, 2021, relates to Houdini Inc. Houdini started business January 1, 2021, and uses the LIFO retail method to estimate ending inventory.

	Cost				Retail
Beginning inventory	$	66,000			$	104,000
Net purchases		280,000				420,000
Net markups						20,000
Net markdowns						40,000
Net sales						375,000

Estimated ending inventory at retail is:

• $65,000.

• $169,600.

• $25,000.

• $129,000.