Foundational [LO 2-1, LO 2-2, LO 2-3, LO 2-4, LO 2-6, LO 2-7] [The following information applies to the questions displayed below.] Martinez Companys 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 materials $ 6.10 Direct labor $ 3.60 Variable manufacturing overhead $ 1.40 Fixed manufacturing overhead $ 4.10 Fixed selling expense $ 3.10 Fixed administrative expense $ 2.10 Sales commissions $ 1.10 Variable administrative expense $ 0.55 Foundational 2-3 3. If 9,000 units are sold, what is the variable cost per unit sold? (Round your answer to 2 decimal places.)