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Learn about product costing and cost accumulation in a batch production environment. Understand the flow of costs in a manufacturing firm and the different types of product-costing systems. Explore how costs are accumulated in a job-order costing system, and the use of predetermined overhead rates.
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Chapter 3 Product Costing and Cost Accumulation in a Batch Production Environment
Product and Service Costing Our focus changes from financial statement costs to operations Managerial Accounting and Cost Management Product costs are used for planning, control, directing, and management decision making. Financial Accounting Product costs are used to value inventory and to compute cost ofgoods sold.
Used for production of large, unique, high-cost items. • Built to order rather than mass produced. • Many costs can be directly traced to each job. • TWO TYPES: • Job-shop operations • Products manufactured in very low volumes or one at a time. • Batch-production operations • Multiple products in batches of relatively small quantity. Types of Product-Costing Systems ProcessCosting Job-OrderCosting
Types of Product-Costing Systems ProcessCosting Job-OrderCosting • Typical job-order cost applications: • Special-order printing • Building construction • Also used in service industry • Hospitals • Law firms
Used for production of small, identical, low cost items. • Mass produced in automated continuous production process. • Costs cannot be directly traced to each unit of product. • Typical process cost applications: • Petrochemical refinery • Paint manufacturer • Paper mill Types of Product-CostingSystems ProcessCosting Job-OrderCosting
Accumulating Costs in aJob-Order Costing System The primary document for tracking the costs associated with a given job is the job-cost record. Let’s investigate using the AFB Company
A materials requisition form is used to authorize the use of materials on a job. Let’s see one Job-Order Cost Accounting
Job-Order Cost Accounting Timothy Williams
Job-Order Cost Accounting Accumulate direct labor costs by means of a work record, such as a time ticket, for each employee. Let’s see one
Job-Order Cost Accounting Apply manufacturing overhead to jobs using apredetermined overhead rate based on direct labor hours (DLH). Let’s do it
Budgeted manufacturing overhead cost POHR = Budgeted amount of cost driver (or activity base) Manufacturing Overhead Costs Overhead is applied to jobs using a predetermined overhead rate (POHR) based on estimates made at the beginning of the accounting period. 1 2 Overhead applied = POHR × Actual activity Based on estimates, and determined before the period begins Actualamount of the allocation base, such as direct labor hours, incurred during the period
Budgeted manufacturing overhead cost POHR = Budgeted amount of cost driver (or activity base) Manufacturing Overhead Costs Overhead is applied to jobs using a predetermined overhead rate (POHR) based on estimates made at the beginning of the accounting period. Overhead applied = POHR × Actual activity Recall the Aluminum Boat example where: Overhead applied = $30 per DLH × 600 DLH = $18,000
Job-Order CostingDocument Flow Summary Let’s summarize the document flow we have been discussing in a job-order costing system.
Job-Order CostingDocument Flow Summary Production Order for Job The production order for the job authorizes the start of the production process. The materials requisition indicates the cost ofdirect material to charge to jobs and the cost ofindirect materialto charge to overhead. Material Requisition Employee time tickets indicate the cost ofdirect labor to charge to jobs and the cost ofindirect laborto charge to overhead. Labor Time Records Actual Cost Driver (or Activity Base) Apply Manufacturing Overhead X Predetermined Overhead Rate
Job-Order System Cost Flows Let’s examine the cost flows in a job-order costing system. We will use T-accounts and start with materials.
Job-Order System Cost Flows Work in Process(Job-Cost Record) Raw Materials • Direct Material • Direct Material • Material • Purchases • Indirect Material Mfg. Overhead • Indirect Material
Job-Order System Cost Flows Next let’s add labor costs and applied manufacturing overhead to the job-order cost flows. Are you with me?
Job-Order System Cost Flows Work in Process(Job-Cost Record) Wages Payable • Direct Labor • Direct Material • IndirectLabor • Direct Labor Mfg. Overhead • Indirect Material • IndirectLabor
Job-Order System Cost Flows Work in Process(Job-Cost Record) Wages Payable • Direct Labor • Direct Material • IndirectLabor • Direct Labor • Overhead Applied Mfg. Overhead If actual and applied manufacturing overhead are not equal, a year-end adjustment is required. We will look at the procedure to accomplish this later. • Indirect Material • OverheadApplied to Work inProcess • IndirectLabor
Job-Order System Cost Flows Now let’s complete the goods and sell them. Still with me?
Job-Order System Cost Flows Work in Process(Job-Cost Record) Finished Goods • Direct Material • Cost ofGoodsMfd. • Cost ofGoodsMfd. • Cost ofGoodsSold • Direct Labor • Overhead Applied Cost of Goods Sold • Cost ofGoodsSold
Job-Order System Cost Flows Let’s return to AFB Company and see what we will do if actual and applied overhead are not equal.
Overhead Application Example Actual Overhead costs for the year: $5,050,000 Actual direct labor hours worked for the year: 170,000 Applied Overhead = POHR × Actual Direct Labor Hours Applied Overhead = $30.00 per DLH × 170,000 DLH = $5,100,000 Applied overhead exceeds actual overhead by $50,000 This difference is called overapplied overhead.
$50,000may be allocatedto these accounts. $50,000 may beclosed directly to cost of goods sold. Work inProcess FinishedGoods Cost of Goods Sold Cost of Goods Sold Overapplied and Underapplied Manufacturing Overhead OR AFB Company’s Method
Overapplied and Underapplied Manufacturing Overhead AFB’sMfg. Overheadfor the year AFB’s Costof Goods Soldfor the year Unadjusted Balance Actualoverheadcosts $5,050,000 OverheadAppliedto jobs $5,100,000 $50,000 $50,000 AdjustedBalance $50,000 overapplied
Overapplied and Underapplied Manufacturing Overhead - Summary
Actual and Normal Costing Actual direct materialand direct labor combined withactual overhead. Actual direct materialand direct labor combined withpredetermined overhead. Using a predetermined rate makes itpossible to estimate total job costs sooner. Actual overhead for the period is notknown until the end of the period.
Two-Stage Cost Allocation Indirect Labor Indirect Materials Other Overhead Stage One: Costs assigned to pools Department 1 Department 2 Department 3 Cost pools
Departmental Overhead Rates Indirect Labor Indirect Materials Other Overhead Stage One: Costs assigned to pools Department 1 Department 2 Department 3 Cost pools Direct Labor Hours Machine Hours Raw Materials Cost Stage Two: Costs applied to products Products Departmental Allocation Bases
Cases Missions Programs Contracts Job-Order Costing in Nonmanufacturing Organizations THE JOB
Changing Technology in Manufacturing Operations • Computerized data interchange has eliminated much of the paperwork associated with job-ordercost systems. • Scanning devices have simplified data entry to record material and labor use.