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: 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?

Cost Titanium Aluminum Total Cost

Assembly. 500 mach hours. 500 mach hours. $60,000

Inspections. 350. 150. $100,000

2,100 labor hours. 1,900 labor hours.

a. $21,000

b. $30,000

c. $31,500

d. $42,000

How do I solve this?

Thank you