Nikkel Corporation, a merchandising company, reported the following results for July:

Sales	$477,000
Cost of goods sold (all variable)	$176,000
Total variable selling expense	$ 19,900
Total fixed selling expense	$ 24,000
Total variable administrative expense	$ 10,400
Total fixed administrative expense	$ 36,800

The contribution margin for July is:

	$209,900
	$416,200
	$270,700
	$301,000