The two main surgical units and their actual cost driver usage follow. Required: 1. Compute activity rates using activity-based costing. 2. Allocate overhead costs to both the general surgery and the orthopedic surgery units. Compute total overhead cost and average overhead cost per patient for both surgery units. 2. Allocate overhead costs to both the deneral suraerv and the orthonedic surcerv units. Comnute total overhead cost and averac