A. 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. B. A company can only attach the direct costs to the cost object because they are traceable and will ensure the cost object includes all of the costs of manufacturing. C. A company needs to attach all of the indirect costs to the cost object to ensure the cost object includes all of the costs of manufacturing. D. 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