Comforters, Inc. uses a periodic inventory system and the retail inventory method to estimate ending inventory and cost of goods sold. The following data are available for the month of September 2021:

	Cost	Retail
Beginning inventory	$83,000	$96,000
Net purchases	29,772	34,590
Net markups		3,300
Net markdowns	560
Net sales		52,000

What is the companys estimated ending inventory at cost for the month of September?

Group of answer choices

$81,890

$68,976

$70,720

$68,632