Dake Corporation's relevant range of activity is 2,200 units to 5,000 units When it produces and sells 3,600 units its average costs per unit are as follows Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fived administrative expense Sales commissions Variable administrative expense Average Cost per Unit $ 6.35 $ 2.80 $1.50 $3.00 $0.90 $ 0.60 $ 0.70 $ 0.00 For financial reporting purposes, the total amount of product costs incurred to make 3600 units is closest to