Which of the following is the proper sequence of events in anactivity-based cost

Which of the following is the proper sequence of events in anactivity-based costing system?Assignment of cost to products identification of cost poolsidentification of cost drivers calculation of cost applicationrates.Identification of cost pools identification of cost driverscalculation of cost application rates assignment of cost toproducts.Identification of cost drivers identification of cost poolscalculation of cost application rates assignment of cost toproducts.Calculation of cost application rates identification of costdrivers identification of cost pools assignment of cost toproducts.