OP Technologies Manufacturing manufactures small parts and uses an activity-based costing system. Activity Materials Assembling Packaging Est. Indirect Activity Allocation base Cost allocation rate Costs $75,000 $253,000 $100,000 Material moves Direct labor hours # of finished units $4/move $9/dir. labor hour $2/finished unit The following parts were produced in October with the following information: Part ABC A. $25,425 B. $18,925 C. $15,425 D. $8,925 # Produced 2,450 5,000 4,850 Materials Costs # Moves Dir. Labor Hrs. $2,700 900 150 $6,500 1,500 325 $9,000 2,800 1,700