mtion Saved Cost per Period Cost per Unit $ 6.45 $ 3.30 $ 1.25 Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Sales commissions Variable administrative expense Fixed selling and administrative expense $ 16,500 $ 0.45 $ 0.50 $4,200 If the selling price is $20.30 per unit, the contribution margin per unit sold is closest to: Multiple Choice $5.05 $600 $8.35 $10.55