Paolucci corporation's relevant range of activity is 5,100 units to 11,500 units. when it produces and sells 8,300 units, its average costs per unit are as follows: average cost per unit direct materials $ 6.55 direct labor $ 3.45 variable manufacturing overhead $ 1.45 fixed manufacturing overhead $ 3.80 fixed selling expense $ 1.40 fixed administrative expense $ 0.95 sales commissions $ 1.35 variable administrative expense $ 0.85 if 7,300 units are sold, the variable cost per unit sold is: