The inventory records for Radford Co. reflected the following

Beginning inventory @ May 1	1,400	units	@	$	4.40
First purchase @ May 7	1,500	units	@	$	4.60
second purchase @ May 17	1,700	units	@	$	4.70
Third purchase @ May 23	1,300	units	@	$	4.80
Sales @ May 31	4,500	units	@	$	6.30

Determine the amount of gross margin assuming the weighted average cost flow method. (Round your intermediate calculations to 2 decimal places.)

Multiple Choice

$7,515

$21,600

$6,750

$14,400