Each of the following are types ofallocation methods: plantwide rate method, departmental overhead rate method and activity-based costing method.

Each of the following are types of Overheads allocation methods.

Explanation:

Factory overheads such as rent, electricity or water can not be traced directly to a cost object.

When determining the cost of a cost object these overheads are apportioned to departments they pass through for processing  or the actual job using an allocation method.

The common methods for allocating overheads are plant-wide rate method, departmental overhead rate method and activity-based costing method.

answer; i believe both technician (a) and (b) are correct; /// good luck

the answer is account d