Required information [The following information applies to the questions displayed below.] Kubin Company's relevant range of production is 13,000 to 18,000 units. When it produces and sells 15,500 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 Average Cost per Unit $ 7.40 $ 4.40 $ 1.90 $ 5.40 $ 3.90 $ 2.90 $ 1.40 $ 0.90