Activity-based costing requires four steps. List the four steps in the order they are performed. Step 1 Step 2. Step 3. Step 4 Allocate indirect costs to the cost object. Compute the predetermined overhead allocation rate for each activity. Evaluate the quality of suppliers' processes. identify activities and estimate their total costs Identify the allocation base for each activity and estimate the total quantity of each allocation base. Record the costs of products when units are completed