Help Save Macy Corporation's relevant range of activity is 7.200 units to 15,000 units. When it produces and sells 11,100 units, its average costs per unit are as follows Average Cost per Unit $5.35 $ 3.88 $ 1.8e $ 3.5e s1.1e s e.8e $ 1.e5 $e.7e Direct material:s Direct labor 58 Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense the selling price is S3050 per unit, the contribution margin per unit sold is closest to: Mutiple Choice 17 80 2135 $715 rixed serling expense Fixed administrative expense Sales commissions Variable administrative expense S 1.18 $ 0.860 $ 1.05 $ 0.70 If the selling price is $30.50 per unit, the contribution margin per unit sold is closest to: Multiple Choice $17.80 $21.35 $7.15 $10.95