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2.2: Differentiating Job Costing from Process Costing

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    836
    • Anonymous
    • LibreTexts
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    Learning Objectives
    • Distinguish between job costing and process costing

    Question: Financial accounting classes cover how merchandising companies, such as Sears and Lowe’s, account for the cost of the goods that they purchase from a supplier and later sell to a customer. These companies simply record the cost of the purchase in an inventory account and account for any returns and allowances, discounts, and shipping costs. Once the merchandise is sold, the related inventory costs are transferred to cost of goods sold. However, manufacturing companies are different. How do manufacturing companies account for inventory at different stages of production?

    Answer
    Manufacturing companies like Custom Furniture Company, Ford, and IBM don’t have it quite as easy as merchandising companies. They must account for the materials, labor, and other manufacturing costs that go into building the product. The process of accounting for manufacturing costs depends on which costing system a company uses—job costing or process costing.

    Job Costing

    Question: We define a job1 as an activity that produces a unique product—one that can be easily distinguished from other products. For example, building a custom home is a job because the home is unique and easy to distinguish from other homes. An accounting firm’s provision of tax services to a client is another example of a job. How does a job costing system help companies that produce unique products or jobs?

    Answer
    A job costing system2 records revenues and costs for each job. Because each job at Custom Furniture Company results in a unique product and has different material and labor requirements, the company uses a job costing system.

    Tracking revenues and costs for each job is important for several reasons:

    • Like Dan at Custom Furniture, managers want to assess the accuracy of cost estimates. This is particularly important when prices are based on estimated costs.
    • Managers want to review actual revenues and costs for each job to see if the job is profitable.
    • Managers want to compare actual costs with estimated costs throughout a project so they can identify unexpected changes as early in the project as possible. For example, if the cost of mahogany wood increases by 50 percent, Custom Furniture might renegotiate the price of a mahogany table with the customer. If it’s too late to renegotiate the price of a current job, the cost increase could be built into the pricing of future jobs.

    Process Costing

    Question: Job costing may work for builders of custom furniture and tax professionals, but does job costing make sense for a company that produces soft drinks? Imagine trying to track costs for each can of soda produced. A job costing system would not be appropriate for this type of company. A different costing system, called process costing, would be a better fit. Which types of companies use this type of system?

    Answer

    Companies that produce identical units of product in batches using a consistent process track costs with a process costing system3. Table 2.1 lists some products and services that require the use of process costing versus job costing, and Figure 2.1 shows an example of each. This chapter focuses on job costing. We explore process costing further in Chapter 4.

    Table 2.1: Job Costing Versus Process Costing
    Job Costing Process Costing
    Custom homes Oil
    Custom vans Chemicals
    House painting services Paint
    Movies Lumber
    Airplanes Milk
    Bridges Pencils
    Legal services Paper
    Figure 2.1.png
    Figure \(\PageIndex{1}\): Figure 2.1 - Examples of Job Costing and Process Costing © Thinkstock
    Key Takeaway

    Job costing systems record revenues and costs for unique products; ones that can be easily distinguished from other products. Process costing systems record revenues and costs for batches of identical units of product. When deciding whether to use a job costing or process costing system, we must understand a company’s products and production processes.

    REVIEW PROBLEM 2.1

    Identify whether each company listed in the following would use job costing or process costing.

    1. Coca-Cola Company
    2. Kelly Moore Paint
    3. Volkswagen—custom campers
    4. Universal Studios—movie division
    5. Chevron Corporation
    6. Michelin
    7. Boeing Co.
    8. Ernst & Young—tax division
    Answer
    1. Process costing
    2. Process costing
    3. Job costing
    4. Job costing
    5. Process costing
    6. Process costing
    7. Job costing
    8. Job costing

    Definitions

    1. An activity that results in a unique product, one easily distinguished from other products.
    2. A system that records revenues and costs for each job.
    3. A costing system used by companies that produce identical units of product in batches employing a consistent process.

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