Martinez company's relevant range of production of 7,500units to 12,500 units when it produces and sells 10,000 units its average cost per unit unit are as follows direct materials $5.10 direct labor $2.60 variable manufacturing overhead $1.60 fix manufacturing overhead $4.00 fix selling expense, $2.10 fix administrative expense $2.10 sales commissions $1.10 variable administrative expense $0.55. If 8000 units are produced and so what is the variable cost per unit produced and sold