Sales ($60 10,000)		$600,000
Cost of goods sold:
Direct materials ($12 10,000)	$120,000
Direct labor ($9 10,000)	90,000
Variable factory overhead ($7.50 10,000)	75,000
Fixed factory overhead	120,000	405,000
Gross profit		$195,000
Selling and administrative expenses:
Variable ($1.50 10,000)	$ 15,000
Fixed	90,000	105,000
Operating income		$ 90,000

If the monthly sales volume increases by 450 units, DesMaris Company's monthly profits will increase by