on 4 2t red d out of question Which types of overhead allocation methods result in the use of more than one overhead rate during the same time period? Select one: O a. Cost pool overhead rate method and plantwide overhead rate method. Ob. Plantwide overhead rate method and departmental overhead rate method. Oc Departmental overhead rate method and activity-based costing. O d. Activity-based costing and plantwide overhead rate method. O e. Departmental overhead rate method and cost pool overhead rate method.