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: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Multiple Choice If the selling price is $25.00 per unit, the contribution margin per unit sold is closest to: O O O $13.45 ($0.50) Average Cost per Unit $ 4.85 $ 4.20 $ 1.55 $9.00 $5.40 $ 3.15 $ 1.80 $0.50 $ 0.45