Which of the following is a sign that an ABC system may be useful for an organization? A) Significant amounts of indirect costs are allocated using multiple cost pools. B) Products make similar demands on resources because of similarities in volume, process steps, batch size, or complexity. C) Many indirect costs are described as batch-level costs, product-sustaining costs, or facility-sustaining costs. D) Operations staff disagrees with accountants about the costs of manufacturing and marketing products and services.