Kogler Corporation's relevant range of activity is 7,000 units to 11,000 units. When it produces and sells 9,000 units, its average costs per unit are as follows: Average Cost per Unit $ 4.85 Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense $ 4.20 $ 1.55 $ 9.00 $ 3.15 $ 1.80 $ 0.50 $ 0.45 If the selling price is $25.00 per unit, the contribution margin per unit sold is closest to: Multiple Choice $13.45 ($0.50) $5.40