The correct answer is A. refined costing system.
A refined costing system is a system that uses a variety of methods to assign costs to cost objects. This can include using average costs, standard costs, or actual costs. Broad’s average use to assign cost of revenue to cost objects is an example of a refined costing system.
A refined costing system is more accurate than a simple costing system, which only uses one method to assign costs. This is because a refined costing system takes into account the different costs that can be associated with a product or service. For example, a refined costing system might take into account the cost of materials, labor, and overhead.
A refined costing system can be more complex than a simple costing system. However, it is often necessary to use a refined costing system in order to get an accurate picture of the costs associated with a product or service.
B. refined selling system is incorrect because it is not a type of costing system. A selling system is a system that is used to sell products or services.
C. undefined costing is incorrect because it is not a type of costing system. A costing system is a system that is used to assign costs to cost objects.
D. defined selling system is incorrect because it is not a type of costing system. A selling system is a system that is used to sell products or services.