Required information Foundational Exercises (LO1, LO2, LO5, LO6, LO7] (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: Direct materials Direct labour Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Amount Per Unit $5.10 $2.60 $1.60 $3.10 $2.10 $2.10 $1.10 $0.55 Foundational 2-12 12-a. If 13,000 units are produced, what is the total amount of manufacturing overhead cost incurred to support this level of production? Total manufacturing overhead cost 12-b. If 13,000 units are produced, what is this total amount of manufacturing overhead cost expressed on a per unit basis? (Round your answer to 2 decimal places.) Manufacturing overhead per unit