Martinez Company's relevant range of production is 9,900 units to 14,900 units. When it produces and sells 12,400 units, its unit's cost are as follows Direct Materials: $6,80 Direct Labor: $4.30 Variable manufacturing overhead $1.60 Fixed manufacturing overhead: $4.80 Fixed selling expense $3.80 Fixed administrative expense: $2.20 Sales commission $1.20 Variable administrative expense $0.45 if 10,400 units are sold, what is the total amount of variable cost related to the unit? If 14,900 units are sold, what is the total amount of variable cost related to the unit sold? if 10,400 units are produced, what is the average fixed manufacturing cost per unit produced? If 14,900 units are produced, what is the average fixed manufacturing cost per unit produced? If 10, 400 Units are produced, what is the total amount of fixed manufacturing cost incurred to support this level of production If 14,900 units are produced, what is the total amount of fixed manufacturing cost incurred to support this level of production