Short Problem 6: Kesterson 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 per Cost per Unit Period $ 6.20 $ 3.10 $ 1.35 $ 14,000 $ 1.50 $ 0.40 | $ 4,500 Required: 1) If the selling price is $21.90 per unit, how much is the contribution margin per unit sold