[The following information applies to the questions displayed below.] Martinez Company's relevant range of production is 7,500 units to 12,500 units. When it produces and sells 10,000 units. its average costs per unit are as follows: Average Cost Per Unit Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense $6.70 $ 4.20 $ 1.40 $ 4.00 $ 3.70 $ 2.10 $ 1.10 $ 0.55