If a company wants to know the total cost attributable to a cost unit, the company musi assign which of the following cosls and why?

A$.$ A company needs to attach all of the indirect costs to the cost object to ensure the cost object inciudes all of the cosis of manufacturing.

B$.$ A company must attach both direct and indirect costs to a cost object to ensure the cost object includes all of the costs of manufacturing.

C$.$ A company can only altach the direct costs to the cost object because they are traceable and will ensure the cost object includes all of the costs of manufacturing.

D$.$ A company can attach either the direct or indirect costs to a cost object to ensure the cost object includes all of the costs of manufacturing.