A method of assigning overhead costs to a product using a single overhead rate is: Multiple Choice a. Plantwide overhead rate method. b. Cost pool overhead rate method. c. Departmental overhead rate method. d. Activity-based costing. e. Overhead cost allocation method.

Plantwide Overhead Rate.

Explanation:

This is a system that incorporates all of a company's manufacturing overhead costs to its production output. Examples of such costs would be maintenance, depreciation, electricity etc. (also known as indirect costs). It is calculated using machine or labour labour hour or percentage of a product's direct cost. This system is most suitable when the company manufactures similar products.