Additional information about the company follows: a. Hubs require $36 in direct materials per unit, and Sprockets require $14. b. The direct labor wage rate is $16 per hour. c. Hubs require special equipment and are more complex to manufacture than Sprockets. d. The ABC system has the following activity cost pools: Required: 1. Compute the activity rate for each activity cost pool. 2. Determine the unit product cost of each product according to the ABC system