n 25 Dabney Corporation has provided the following production and total cost data for two levels of monthly production volume. The company produces a single product. ed out of 1.0 question Production volume Direct materials Direct labor Manufacturing overhead 7.000 units 8.000 units $246,400 $281.600 $350.700 $400,800 $860,300 $872,000 The best estimate of the total monthly fixed manufacturing cost is: Select one: O a $778,400 O b. $1,457,400 Oc. $1,505,900 O d. $1,554,400