Paolucci Corporation's relevant range of activity is 8,400 units to 17,000 units. When it produces and sells 12,700 units, its average costs per unit are as follows: Average Cost per Unit Direct materials $ 7.10 Direct labor $ 4.00 Variable manufacturing overhead $ 2.00 Fixed manufacturing overhead $ 3.60 Fixed selling expense $ 1.30 Fixed administrative expense $ 0.60 Sales commissions $ 1.25 Variable administrative expense $ 0.50 If 11,700 units are sold, the variable cost per unit sold is closest to: