Lorri's income statement is as follows:

Sales*	$82,500
Less variable costs	(26,400)
Contribution margin	$56,100
Less fixed costs	(13,200)
Net income	$42,900

* 5,500 units sold If sales increase by 1,100 units, profits will:

Select one:

a. Increase by $13,200

b. Increase by $8,580

c. Increase by $5,500

d. Increase by $11,220