Sitwell Corporation manufactures titanium and aluminum tennis racquets. Sitwells total overhead costs consist of assembly costs and inspection costs. The following information is available: Sitwell has decided to switch 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? Question 9 options: $15,750. $22,500. $23,625. $31,500.