Question 6 Not yet answered Marked out of 0.7 Flag question Which types of overhead allocation methods result in the use of more than one overhead rate during the same time period? Select one: a. Plantwide overhead rate method and departmental overhead rate method. Ob. Activity-based costing and plantwide overhead rate method. c. Departmental overhead rate method and cost pool overhead rate method. d. Cost pool overhead rate method and plantwide overhead rate method. e. Departmental overhead rate method and activity-based costing.