The following information was available from the inventory records of Lock Company for January:

		Units		Unit Cost		Total Cost
Balance at January 1		3,000		$9.77		$29,310
Purchases:
January 6		2,000		10.30		20,600
January 26		2,700		10.71		28,917
Sales:
January 7		(2,500)
January 31		(4,200)
Balance at January 31		1,000

Assuming that Lock uses the periodic inventory system, what should the inventory be at January 31, using the weighted-average inventory method, rounded to the nearest dollar?