If Fowler Corporation changes to activity-based costing (ABC), this method normally results in:________. A. Decreased setup costs being charged to low-volume products. B. Substantially greater unit costs for low-volume products than are reported by traditional product costing. C. Equalizing setup costs for all product lines. D. Substantially lower unit costs for low-volume products than is reported by traditional product costing. E. None of the answer choices is correct.