Pedregon Corporation has provided the following information: Cost per Unit Cost per Period $6.65 $3.70 $1.45 Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Sales commissions Variable administrative expense Fixed selling and administrative expense $25,900 $0.65 $0.70 $ 4,800 If the selling price is $20.70 per unit, the contribution margin per unit sold is closest to: Multiple Choice $3.85 O $10.35 O $7.55 O $5.20