Pedregon Corporation has provided the following information:

	Cost Per Unit			Cost Per Term
Direct materials	$	6.95
direct labor	$	3.50
Variable production load	$	1.75
Fixed production load				$	19.800
Sales commissions	$	0.40
Variable administrative expense	$	0.50
Fixed selling and administrative expenses				$	7.700

If the selling price is $21.30 per unit, calculate  the contribution margin per unit sold.