Schwiesow Corporation has provided the following information: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Sales commissions Variable administrative expense Fixed selling and administrative expense Cost Cost per per Period Unit $7.05 $3.50 $1.65 $11,000 $1.00 $0.40 $ 5,500 If the selling price is $18.70 per unit, the contribution margin per unit sold is closest to: Multiple Choice $5.10 $1.80 $4.30 $8.15