Chapter 4 - Kennisbanksu
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Chapter 4
Product costing systems
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
Product costing systems
Product costing systems
accumulate product-related costs and use
procedures to assign them to the final products
In some businesses upstream and downstream
costs are regarded as product-related
Product costs are the input to the product
costing system
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Different product costs for
different purposes
Product costs can include upstream,
manufacturing and downstream costs
Inclusion of various costs depends on the
time frame and type of decision to be made
Managers’ needs for product cost
information will vary depending on the type
of decision to be made and managers’
personal preferences
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
4
Different product costs for
different purposes
Cost for inventory valuation for eternal
reporting must include only manufacturing
costs
For long-term decision about products a
wider definition may be used
Product costs are used to value inventory,
for short-term and strategic decision
making, for planning and controlling costs
and for cost reimbursement
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Different product costs for
different purposes
Current or future product costs?
Current product costs are relevant for inventory
valuation
Future product costs may be relevant for input
into some decisions
Frequency of cost information?
Infrequently for long-term decisions, or even
short-term decisions
More regularly for inventory valuation
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
7
Designing product costing
systems
Identify the managers’ needs
All product cost information may not come
from a single product costing system
Cost and benefits of various alternative
systems must be assessed
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
8
Flow of costs in
manufacturing businesses
When used for inventory valuation,
manufacturing costs only are assigned to
products, in line with Australian accounting
standards
Manufacturing costs consist of
Direct material
Direct labour
Manufacturing overhead
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
9
Flow of costs in
manufacturing businesses
Several manufacturing ledger accounts
Raw materials inventory,
Work in process inventory,
Finished goods inventory,
Cost of goods sold expense, and
Profit and loss account
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Allocating overhead costs
to products
To estimate the cost of a product we need
to identify the cost of resources used to
produce the product
Some resources are consumed directly, and
are traced directly to each product
Overhead costs are essential to production,
but have no observable relationships to the
product need to be allocated
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
12
Allocating overhead costs
to products
Identify the overhead cost driver
Calculate a predetermined (or budgeted)
overhead rate per unit of cost driver
Apply manufacturing overhead costs to
products at the budgeted (or
predetermined) overhead rate, multiplied
by the quantity of cost driver consumed by
the product
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
13
Accounting for
manufacturing overhead
Actual manufacturing overhead
Manufacturing overhead costs incurred in
production
Charged to the manufacturing overhead account
Applied manufacturing overhead
Estimate of the overhead resources used to
manufacture a product
Applied to products using a predetermined
overhead rate
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Accounting for
manufacturing overhead
Disposing of underapplied or overapplied
overhead at the end of the accounting
period…
Close the underapplied or overapplied to cost of
goods sold, or
Prorate to cost of goods sold, work in process
inventory and finished goods inventory
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
16
Accounting for
manufacturing overhead
Most firms close underapplied or
overapplied overhead at the end of the year
only
Do not close monthly as monthly
fluctuations will average out over a year
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
17
Types of product costing
systems
Job costing
Manufacturing costs traced to individual jobs
Products are produced in distinct jobs/batches
which are significantly different
Printers, furniture manufacturers, machinery
manufacturers
Many service firms—lawyers, accountants,
consulting engineers
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
18
Types of product costing
systems
Process costing
Production costs traced to process/department,
and averaged across all units produced
Mass production or repetitive environment
Petrol production, processed food, chemical and
plastics manufacturers
Repetitive services – routine processing of
cheques by banks, handling of license
applications by government departments
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
19
Types of product costing
systems
Process costing involves …
Estimate the cost of production processes, and
Calculate the average cost per unit by dividing
the cost of the process by the number of units
produced
The costs of products that are produced in one
department are transferred into the next
department
Some product costing systems have
features of both job costing and process
costing
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
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Job costing
Bill of materials: lists all the materials
required for a job
Material requisition forms - authorise the
movement of raw materials from the
warehouse to the production department
Job cost sheet - summarises the costs of
direct material, direct labour and
manufacturing overhead for a particular job
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
22
Job costing
Purchase of materials
Raw material inventory
Account payable
xxxx
xxxx
Transferring direct material to jobs
Work in process inventory
xxxx
Raw material inventory
xxxx
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
23
Job costing
Use of indirect material
Manufacturing overhead
xxxx
Manufacturing supplies inventory
xxxx
Charging direct labour to jobs
Work in process inventory
Wages payable
xxxx
xxxx
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
24
Job costing
Accounting for indirect labour
Manufacturing overhead
Wages payable
xxxx
xxxx
Accounting for manufacturing expenses
Manufacturing overhead
xxxx
Prepaid rent
xxxx
Depreciation on equipment
xxxx
…etc
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
25
Job costing
Application of manufacturing overhead
Work in process inventory
xxxx
Manufacturing overhead
xxxx
Completion of production job
Finished goods inventory
Work in process inventory
xxxx
xxxx
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
26
Job costing
Sale of goods
Accounts receivable
Sales revenue
Cost of goods sold
Finished goods inventory
xxxx
xxxx
xxxx
xxxx
continued
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
27
Job costing
Underapplied and overapplied overhead
Manufacturing overhead
xxxx
Indirect material
xxxx
Indirect labour
xxxx
Depreciation on equipment
xxxx
…etc
Cost of goods sold
xxxx
Manufacturing overhead
xxxx
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
28
Process costing
The approach taken in process costing
depends on
The existence of WIP inventory at the end of
the accounting period
Their degree to which products are identical in
their consumption of direct material and specific
production processes
Simple forms of process costing assume no
WIP inventory
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
29
Copyright 2003 McGraw-Hill Australia Pty Ltd, PPTs t/a Management Accounting: An
Australian Perspective 3/e by Langfield-Smith, Thorne & Hilton
Slides prepared by Kim Langfield-Smith
30