afm 31130 1 activity based costing abc by isuru manawadu b.sc in accounting sp. (usjp), aca
TRANSCRIPT
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AFM 31130AFM 31130
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Activity Based Costing
ABC
By
Isuru ManawaduB.Sc in Accounting Sp. (USJP), ACA
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Indirect Costs
• Not easily and conveniently traceable to cost objects
–Cost element is shared among cost objects
–Physically impossible to trace
–Not cost effective to trace
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Indirect Costs
• Need for allocation
– Estimate product or activity cost
• What does it really cost?
– Increase awareness of indirect costs
• Activities are not free
– Plan more cost efficient operations
• Now that we know what it costs, what should we do?
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Traditional Allocation Method
Indirect costs allocated to cost object based on the cost object’s consumption of some measure of activity, usually labor hours
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10,000,000 total indirect cost400,000 total labor hours
= 25 per hour rate
A product consuming 6 labor hours would be charged 150 of indirect costs.
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Criticisms of Traditional Overhead Allocation
• Assumes all overhead is volume-related
• Factory-wide or departmental rates– All related to single activity measure
• Departmental focus, not process focus
• Focus on costs incurred, not cause of costs.
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Activity-Based Costing
• Purpose–Allocation of indirect costs based on
causal activities• Attempts to identify “direct” link between
cost and cost object
–Results in better allocation
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Activity-Based Costing
• Traditional allocation method
• Activity-based allocation method
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Costs Products/Cost object
Costs Products
First stage Second stage
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Activity-Based Costing
• Traditional allocation method
• Activity-based allocation method
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Costs Products/Cost object
Costs ProductsActivities
First stage Second stage
Production or Service Department
Production or Service Department
Activity cost centre
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Overview of ABC
• Identifies activities required to produce the product or service
• Determines the cost of the activities
• Allocates costs to the cost object based on the object’s consumption of activities
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Basic Steps required to implement an ABC system• Identify major activities
• Assigning cost to cost pools/ cetres for each activities
• Determining cost driver for each major activity
• Assigning the cost of activities to product
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Hierarchy of Activities
Unit level Performed each time a unit is produced
Eg. Power to run processing equipment.
Batch level
Performed each time a batch is produced.
Eg. Processing purchase order
Product level
Relate to specific products and typically must be carried put regardless of how many batches or units of the product are manufactured.
Eg. Maintaining inventories of parts for a product 11
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Hierarchy of Activities Cont….
Facility Level Activities
Activities that are carried out regardless of which products are produced, how many batches are run, or how many units are made.
Eg. Factory management salaries, insurance, property tax etc.
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Various manufacturing overhead costs
Labour related
pool
Setup pool
Production
order pool
Testing pool
Parts administration pool
General factory
pool
First stage
Activity pool
Second stage DLH Rs./
SetupRs./
Order Rs./Test Rs. / part type
Rs./ Machine
Hours
Unit level
Batch level
Product level
Facility level
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Operation of an ABC System• Assign costs to activity pools
– First stage allocation
– Identify the costs incurred to perform various activities
• Determine the measure of activity best related to each cost pool– Cost drivers
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Operation of an ABC System
• Determine rate per unit of activity
• Assign costs to products/services based on consumption of activities– Second stage allocation
• Indirect costs are converted to direct costs
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When is ABC Most Useful?
• High amounts of overhead cost• Multiple products• Complex products• Complex production system• Significant variation in volume between high
and low volume products
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When is ABC Most Useful? Cont.
• Different products place different demands on resources
• Problems with current cost allocations due to changes in products or processes
• Better cost information is needed
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Limitations of ABC
• Detail ABC systems are costly
• Difficult to understand
• ABC is more complex than traditional costing system
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Activity-Based Management
• Natural extension of ABC– Why are activities performed?
• Are they necessary?• Are they consistent with organizational goals?
– How are they performed?• Are they performed efficiently?• Can they be redesigned or eliminated?
“Using ABC systems to improve financial management is called activity based management. (ABM)”
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ABM for Process Improvement
• Focus on problems, opportunities
• Prioritize opportunities for improvement– Most critical
– Greatest potential for cost savings
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ABM for Process Improvement
• Determine and explain causes for problems and opportunities– Cannot improve the system without first
understanding it
• Select specific improvement projects
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Group AssignmentInstructions• Each group should have 15 students• 10 marks will be awarded
– Report 5 marks– Presentation 5 marks
• Inform the group names, registration numbers of students before mid examination
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Group Assignment Cont….
Guidelines• Gather information about existing Strategic
management accounting concepts• Suggestions to develop a business plan• Evidence of group participation
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Group Assignment Cont….
Topic of the group assignment – How does Strategic Management Accounting
impacts to develop a business plan.
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