Required information [The following information applies to the questions displayed below] Kubin Company's relevant range of production is 29,000 to 33,000 units. When it produces and sells 31,000 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 Average Cost per Unit $8.90 $5.90 $3.40 $6.90 $5.48 $4.40 $2.98 $2.40