ACCT 3
Distinguishing Between Process Costing and Job-Order Costing
Learning Objective 1: Identify differences between process costing and job-order costing.
Process Costing: This costing method is used when a company produces many identical units of a single product over a continuous production process. It is best suited for industries where products are homogeneous, and the objective is to determine the cost of each unit produced in bulk.
Characteristics:
Large volume of similar units manufactured in a continuous flow.
Each unit produced is indistinguishable from another, making it impossible to track costs per unit separately.
Average cost per unit can be easily calculated based on total costs divided by the number of units produced.
Cost per unit can be determined over a specific period, providing insights into economies of scale.
Example Companies:
Weyerhaeuser (paper manufacturing, highly repetitive production processes).
Coca-Cola (beverage bottling with large batches).
Reynolds Aluminum (refining ingots through processes shared by many production lots).
Other common industries include food processing and chemical production.
Job-Order Costing: This method is adopted by companies that produce unique or custom items, or a small batch of products, making it necessary to track costs for each specific job individually. This method is flexible and capable of accommodating diverse customer specifications.
Characteristics:
Different products are produced each period, with variations based on customer demands or designs.
Products are often tailored to specific customer specifications, requiring comprehensive tracking of costs for each job individually.
Requires detailed tracking of costs associated with direct materials, direct labor, and manufacturing overhead for designated jobs, leading to precise cost measurement.
Often results in higher per-unit costs due to smaller production runs and individualized work.
Example Companies:
Boeing (aircraft manufacturing with a highly customized approach and long production cycles).
Bechtel International (construction projects that vary significantly in scope and design).
Walt Disney Studios (movie production with custom scripts, sets, and actor payments).
Other industries include printing services, custom furniture, and specialized manufacturing.
Job-Order Costing Documents
Learning Objective 2: Understanding the critical documents utilized within a job-order costing system.
Job Cost Sheet: A fundamental document that tracks the total costs associated with a specific job. It meticulously records all costs, including direct materials, direct labor, and applied manufacturing overhead, facilitating a complete breakdown of expenditures for evaluation and future planning.
Materials Requisition Form: This form specifies the materials required for jobs, allowing for the tracking of direct materials usage associated with each job, ensuring accountability for all material costs incurred.
Time Ticket: A record that is utilized to capture the number of direct labor hours spent on a job, facilitating accurate labor cost assignment and ensuring effective tracking of workforce productivity.
Allocation of Manufacturing Overhead
Learning Objective 3: Understand and compute predetermined overhead rates (POHR) to assign manufacturing overhead.
Predetermined Overhead Rate (POHR): This rate is calculated at the beginning of an accounting period using estimates, allowing companies to allocate overhead costs throughout the period based on anticipated activity levels.
Calculation:
POHR = Estimated total manufacturing overhead / Estimated total amount of allocation base (which could include machine hours, direct labor hours, etc.)
Purpose: The use of a predetermined overhead rate ensures that manufacturing overhead costs are estimated and allocated timely during a period, aiding in budgeting and financial reporting.
Example of Applying Overhead
Overhead applied = POHR × Actual activity (e.g., machine hours worked).
Example Calculation:
If the predetermined overhead rate is set at $4.00 per direct labor hour, and 10 direct labor hours are utilized:
Overhead applied = $4.00 × 10 = $40.
Flow of Costs in Job-Order Costing System
Learning Objective 4: Understand how costs flow through inventory accounts before reaching the Cost of Goods Sold (COGS).
Raw Materials: Materials purchased for production are initially recorded as inventory and tracked until requisitioned for specific jobs.
Work in Process (WIP): As direct materials and labor costs are incurred, these costs are added to WIP. Additionally, manufacturing overhead applied through predetermined rates is included in WIP, allowing for real-time tracking of ongoing job costs.
Finished Goods: Upon completion, the total costs associated with WIP are transferred to Finished Goods. When these goods are sold, the corresponding costs are moved from Finished Goods to COGS.
Underapplied and Overapplied Overhead Costs
Learning Objective 7: Understand the implications of underapplied or overapplied overhead costs in financial statements and company analysis.
Underapplied Overhead: Occurs when actual overhead costs incurred exceed the amount applied to jobs, leading companies to face the risk of understated expenses and profitability concerns.
Overapplied Overhead: Arises when applied overhead costs exceed the actual costs incurred, potentially resulting in overstated expenses and profits.
Adjustment Methods: Common methods utilized to correct such discrepancies include closing out underapplied overhead directly to COGS or allocating them among WIP, Finished Goods, and COGS.
Scheduling Costs of Goods Manufactured and COGS
Learning Objective 6: Prepare and understand schedules for costs related to goods manufactured and sold, ensuring financial accuracy.
Cost of Goods Manufactured (COGM): This figure represents total manufacturing costs incurred during a period and is calculated as:
COGM = Total manufacturing costs + Beginning WIP - Ending WIP.
Cost of Goods Sold (COGS): This figure indicates the cost of goods sold during a period and is determined using:
COGS = COGM + Beginning finished goods - Ending finished goods.
Application in Service Companies
Job-order costing is also employed extensively in service industries: This approach is applicable in scenarios where each service or project represents a distinct job with specific costs associated.
Examples: Law firms (each legal case represents a job with unique costs), hospitals (each patient service can require complex and diverse costing methodologies).
Technology in Job-Order Costing
Impact of IT: Advancements in information technology significantly enhance accuracy and efficiency in job-order costing through automated systems for tracking costs and materials. Examples include barcode systems for inventory tracking and software that integrates project management with financial analysis.
Key Takeaways:
Job-order costing is suitable for unique or customized jobs, providing flexibility in cost tracking, whereas process costing is more applicable for mass production scenarios.
An efficient document flow is essential in a job-order costing system to ensure accurate and effective tracking of costs.
The predetermined overhead rate plays a critical role in correctly applying overhead costs to individual jobs, facilitating timely and informed decision-making based on accurate cost assessments.
Proper scheduling, along with a thorough understanding of underapplied or overapplied overhead, has significant financial implications and requires diligent reporting practices to maintain fiscal health in operations.