Macy Corporation's relevant range of activity is 5,100 units to 11,500 units. When it produces and sells 8,300 units, its average costs per unit are as follows:

	Average Cost per Unit
Direct materials	$	5.00
Direct labor	$	3.45
Variable manufacturing overhead	$	1.45
Fixed manufacturing overhead	$	3.80
Fixed selling expense	$	1.40
Fixed administrative expense	$	0.95
Sales commissions	$	1.35
Variable administrative expense	$	0.85

If the selling price is $27.00 per unit, the contribution margin per unit sold is closest to:

• $14.90

• $18.55

• $9.90

• $7.25