Help Save & Erin Required information [The following information applies to the questions displayed below.] Martinez Company's relevant range of production is 8,500 units to 13,500 units. When it produces and sells 11,000 units. its unit costs are as follows: Amount Per Unit Direct labour Direct materials Variable manufacturing overhead $6.40 $3.90 $1.40 Fixed manufacturing overhead $4.40 Fixed selling expense $3.40 Fixed administrative expense $2.10 Sales commissions $1.10 Variable administrative expense $0.55 Check