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What is costing system refinement? Describe three guidelines for refinement.

Short Answer

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Costing system refinement improves accuracy in cost allocation. Guidelines include increasing cost tracing, adopting activity-based costing, and using multiple cost drivers.

Step by step solution

01

Define Costing System Refinement

Costing system refinement refers to the process of making the existing costing system more accurate, reliable, and relevant to the needs of the organization. The objective is to enhance decision-making by providing more precise cost information.
02

Explain Guideline 1 - Increase Cost Tracing

One way to refine a costing system is by increasing direct cost tracing. This involves identifying and assigning more direct costs to the products or services, reducing the allocation of costs through arbitrary means, leading to more accurate cost information.
03

Explain Guideline 2 - Identify Activity-Based Costing

Refinement can also be achieved by adopting activity-based costing (ABC). This method allocates costs to products based on the activities required to produce them, ensuring that overhead costs are assigned in a more logical and precise manner.
04

Explain Guideline 3 - Use Multiple Cost Drivers

Lastly, using multiple cost drivers can help refine costing systems. By identifying more than one basis for cost allocation, companies can ensure that the costs relate more directly to how resources are consumed by different products or services.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Direct Cost Tracing
Direct cost tracing is all about making sure costs are directly linked to the products or services that generate them. By doing this, companies avoid overhead pooling and can allocate costs based on actual usage rather than estimates.

Think of direct cost tracing as a detective methodical approach. Instead of guessing, businesses follow the trail to ensure every cost can be attributed directly to a product or service.

  • It reduces arbitrary cost allocation, making financial statements clearer and more precise.
  • Direct cost tracing makes budgeting more straightforward as each expense is directly tied to its cost object.
Directing costs accurately helps businesses manage resources better. If a product costs too much to make, direct cost tracing will highlight this, prompting efficiency improvements.
Activity-Based Costing (ABC)
Activity-Based Costing (ABC) is a more advanced approach compared to traditional costing methods. It focuses on assigning overhead costs to products or services based on their actual activities.

With ABC, businesses first identify significant activities they perform. Then, they allocate costs to these activities, linking each to the products requiring them. This leads to more accurate and relevant cost information.

  • ABC provides a transparent view of where resources are being consumed.
  • It helps managers make informed decisions by understanding which products are truly profitable.
By breaking down processes and understanding cost drivers, companies can focus on improving areas that might have been overlooked using a more generic costing approach.
Multiple Cost Drivers
Using multiple cost drivers means allocating costs across various bases. Instead of relying on a single factor, such as machine hours, businesses consider several factors that drive costs.

  • Could be the number of setups needed, labor hours, or even the complexity of manufacturing processes.
  • This allows for a tailored costing approach, reflecting the diversity of activities involved in production.
This refinement method acknowledges that one size doesn’t fit all. Each activity might have a different influencing factor driving its cost.

By expanding the number of cost drivers, companies ensure more precise cost assignments, leading to better strategic decisions and resource management. It allows businesses to understand and manage their overhead more efficiently, recognizing true cost behavior in operations.

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Most popular questions from this chapter

'Increasing the number of indirect-cost pools is guaranteed to sizably increase the accuracy of product or service costs." Do you agree? Why?

What are the key reasons for product cost differences between simple costing systems and ABC systems?

What is an activity-based approach to designing a costing system?

The controller of a retail company has just had a 50,000 dollars request to implement an ABC system quickly turned down. A senior vice president, in rejecting the request, noted, "Given a choice, will always prefer a 50,000 dollars investment in improving things a customer sees or experiences, such as our shelves or our store layout. How does a customer benefit by our spending \(\$ 50,000\) on a supposedly better accounting system?" How should the controller respond?

Applewood's controller, Susan Benzo, is advocating the use of activity-based costing and activity-based management and has gathered the following information about the company's manufacturing overhead costs for the year ended November 30,2010\((\mathrm{CMA},\) adapted) Applewood Electronics, a division of Elgin Corporation, manufactures two large-screen television models: the Monarch, which has been produced since 2006 and sells for \(\$ 900\), and the Regal, a newer model introduced in early 2009 that sells for \(\$ 1,140\). Based on the following income statement for the year ended November 30,2010 , senior management at Elgin have decided to concentrate Applewood's marketing resources on the Regal model and to begin to phase out the Monarch model because Regal generates a much bigger operating income per unit.Details for cost of goods sold for Monarch and Regal are as follows:Applewood's controller, Susan Benzo, is advocating the use of activity-based costing and activity-based management and has gathered the following information about the company's manufacturing overhead costs for the year ended November 30,2010.After completing her analysis, Benzo shows the results to Fred Duval, the Applewood division president. Duval does not like what he sees." If you show headquarters this analysis, they are going to ask us to phase out the Regal line, which we have just introduced. This whole costing stuff has been a major problem for us. First Monarch was not profitable and now Regal."'Looking at the \(A B C\) analysis, 1 see two problems. First, we do many more activities than the ones you have listed. If you had included all activities, maybe your conclusions would be different. Second, you used number of setups and number of inspections as allocation bases. The numbers would be different had you used setup-hours and inspection-hours instead. I know that measurement problems precluded you from using these other cost-allocation bases, but I believe you ought to make some adjustments to our current numbers to compensate for these issues. I know you can do better. We can't afford to phase out either product."Benzo knows that her numbers are fairly accurate. As a quick check, she calculates the profitability of Regal and Monarch using more and different allocation bases. The set of activities and activity rates she had used results in numbers that closely approximate those based on more detailed analyses. She is confident that headquarters, knowing that Regal was introduced only recently, will not ask Applewood to phase it out. She is also aware that a sizable portion of Duval's bonus is based on division revenues. Phasing out either product would adversely affect his bonus. Still, she feels some pressure from Duval to do something.1. Using activity-based costing, calculate the gross margin per unit of the Regal and Monarch models. 2\. Explain briefly why these numbers differ from the gross margin per unit of the Regal and Monarch models calculated using Applewood's existing simple costing system. 3\. Comment on Duval's concerns about the accuracy and limitations of ABC. 4\. How might Applewood find the ABC information helpful in managing its business? 5\. What should Susan Benzo do in response to Duval's comments?

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