Reynoso Corporation manufactures titanium and aluminum tennis racquets. Reynoso's total overhead costs consist of assembly costs and inspection costs. The following information is available: Cost Assembly Inspections Titanium Aluminum 500 mach. hours 500 mach. hours 350 150 2100 labor hours 1900 labor hours Total Cost $80000 $120000 Reynoso is considering switching from one overhead rate based on labor hours to activity-based costing Using activity-based costing, how much assembly cost is assigned to titanium racquets? O $21000 O $56000 O $40000 O $42000