The following information relates to Grouper Back Falls Ltd.s inventory transactions during the month of February.

				Units		Cost/Unit		Amount
Feb. 1		Beginning inventory		6,900		$25.00		$172,500
10		Sale		5,980
14		Purchase		3,680		$26.00		$95,680
18		Purchase		460		$28.00		$12,880
25		Sale		3,680
26		Purchase		3,680		$37.00		$136,160
28		Sale		2,668

All of the units sold were priced at $87.00 per unit.

Calculate Grouper Backs cost of goods sold, gross margin, and ending inventory for the month of February using weighted-average. (Round calculations for cost per unit to 2 decimal places, e.g. 10.52 and final answers to 0 decimal places, e.g. 61,052.)

Cost of goods sold		$
Gross margin		$
Ending inventory		$