(The following information applies to the questions displayed below. Martinez Company's relevant range of production is 7,900 units to 12,900 units. When it produces and sells 10,400 units, its unit costs are as follows: Amount Per Unit $6.60 $4.10 $1.50 $4.60 $3.60 $2.00 $1.00 $0.50 Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense 8. value: 10.00 points 6. If 12,900 units are sold, what is the total amount of variable costs related to the units sold? Total variable cost