The CFO of Ward Enterprises is setting up a new activity-based costing system. He has currently finished identifying activities and mapping overhead costs to cost pools associated with each activity. What is the next step for him to take in the process of designing an activity-based costing system?

a. Identify a cost driver associated with each activity.
b. Determine the appropriate denominator volume for each cost driver, to calculate an activity rate.
c. Add the cost pool totals together.
d. Divide each cost pool by the number of units produced