ation's relevant range of activity is 5,100 units to 10,500 units When it produces and sells 7800 units, its average costs per unit are as follows Averase Cost per Unit 8.80 $3.45 $1.90 $3.80 $0.65 $0.35 0.45 0.50 Di rect materials Di rect labor Variable manufacturing overhead Fixed nanufacturins overhead Fixed sell ins expense Fixed achinist rat ive expence Sa les conmissions Variable adninist rat ive expense #5400 unts are produced, the total amount of manufacturing overhead cost is closest to