Pedregon Corporation has provided the following information:

Cost per Unit Cost per Period Direct materials $ 7.35 Direct labor $ 4.30 Variable manufacturing overhead $ 1.60 Fixed manufacturing overhead $ 26,000 Sales commissions $ 0.80 Variable administrative expense $ 0.90 Fixed selling and administrative expense $ 6000 If the selling price is $22.10 per unit, the contribution margin per unit sold is closest to: $3.15 $10.45 $4.85 $7.15 please give me the answer quickly