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 Fixed manufacturing overhead $ 6.50 $ 4.00 Variable manufacturing overhead $ 1.60 $ 4.00 Fixed selling expense $ 3.50 Fixed administrative expense $ 2.20 Sales commissions Variable administrative expense $ 1.20 $ 0.45 7. If 8,000 units are produced, what is the average fixed manufacturing cost per unit produced?