Martinez Company's relevant range of production is 8,900 units to 13,900 units. When it produces and sells 11,400 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 $6.00 $2.90 $1.40 $4.00 $ 3.00 $2.00 $ 1.00 $0.20 Required: If 13,900 units are sold, what is the total amount of variable costs related to the units sold? Total Variatile costs