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INTRODUCTION TO COST MANAGEMENT

Activity-Based Costing and Management
After studying this chapter, you should be able to . . .
1. Explain the strategic role of activity-based costing 2. Describe activity-based costing (ABC), the steps in developing an ABC system, and the benefits and limitations of an ABC system 3. Determine product costs under both the volume-based method and the activity-based method and contrast the two 4. Explain activity-based management (ABM) 5. Describe how ABC/M is used in manufacturing companies, service companies, and governmental organizations 6. Use an activity-based approach to analyze customer profitability 7. Identify key factors for successful ABC/M implementation

PART I …show more content…

Note that whether the proportions used are based on units of product, direct labor hours, or machine hours, each of these is volume-based. But if, as is usually the case, the usage of these activities is not proportional to the number of units produced, then some managers will be overcharged and others undercharged under the volume-based approach. For example, suppose Al insists on more frequent inspections of his production; then he should be fairly charged a higher proportion of overhead (inspection) than that based on units alone. Moreover, why should you pay any portion of fabric cutting if your bedroom furniture does not require fabric? Another consideration is that the volume-based method provides little incentive for the manager to control indirect costs. Unfortunately, the only way you could reduce your share of the indirect costs is to reduce your units produced (or hope that Joe and/or Al increase production)—not much of an incentive. On reflection, the approach that charges indirect costs to product based on units produced does not provide very accurate product cost for you or Joe or Al and certainly does not provide the appropriate incentives for managing the indirect costs. The solution is to use activity-based costing to charge these indirect costs to the products, using detailed information on the activities that make up the indirect costs—the materials handling, inspection, fabric cutting, and materials

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