D Required information [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 $5.80 Direct labor $3.30 Variable manufacturing overhead $1.50 Fixed manufacturing overhead $4.00 Fixed selling expense $2.80 Fixed administrative expense $2.00 Sales commissions $1.00 Variable administrative expense $0.50 ' 7. If 8,000 units are produced, what is the average fixed manufacturing cost per unit produced