D Question 9 3.7 pts Portland Corporation has provided the following production and total cost data for two levels of monthly production volume. The company produces a single product. Production volume Direct materials Direct labor Manufacturing overhead 6,000 units 7,000 units $195,000 $227,500 $113,400 $132,300 $913,200 $931,700 The best estimate of the total cost to manufacture 6,300 units is closest to: $1,162,350 O $1,282,680. O $1,242,570 O $1,222,515