Activity Based Costing

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Activity Based Costing : 

Activity Based Costing What? Why? How?

Slide 2: 

Requirement of Cost Systems Valuation of inventory and measurement of the cost of goods sold for financial reporting. Estimation of the costs of activities, products, services, and customers. Providing economic feedback to managers and operators about process efficiency.

Slide 3: 

Today’s businesses are working in an increasingly complex environment. Use of Advanced Technology Product Life Cycle Product Complexity Channels of Distribution Quality Requirements Product Diversity

Slide 5: 

Conventional Costing Total Cost = Material + Labour+ Overheads Overheads are allocated to the products on volume based measures e.g. labour hours, machine hours, units produced Will this not distort the costing in the new environment? ABC provides an Alternative.

Slide 6: 

Conventional Costing Expenses Cost Objects AB Costing Resources Activities Cost Objects Economic Element Work Performed Product or service

Slide 7: 

Basics of A B C Cost of a product is the sum of the costs of all activities required to manufacture and deliver the product. Products do not consume costs directly Money is spent on activities Activities are consumed by product/services

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Basics of A B C (contd.) ABC assigns Costs to Products by tracing expenses to “activities”. Each Product is charged based on the extent to which it used an activity The primary objective of ABC is to assign costs that reflect/mirror the physical dynamics of the business

Slide 9: 

Basics of A B C (contd.) Provides ways of assigning the costs of indirect support resources to activities, business processes, customers, products. It recognises that many organisational resources are required not for physical production of units of product but to provide a broad array of support activities.

ABC systems addresses the following Questions: : 

ABC systems addresses the following Questions: What activities are being performed by the organisational resources? How much does it cost to perform activities? Why does the oranisation need to perform those activities? How much of each activity is required for the organisation’s products, services, and customers?

Slide 11: 

Basics of A B C : How? Steps: Form cost pools Identify activities Map resource costs to activities Define activity cost drivers Calculate cost Cost pools are groups or categories of individual expense items

Identify Activities : 

Identify Activities In developing an ABC system, the organisation identifies the activities being performed: Move material Schedule production Purchase material Inspect items Respond to customers Improve products Introduce new products Explore new markets Activity Dictionary

Map resource costs to activities : 

Map resource costs to activities Financial accounting categorises expenses by spending code; salaries, fringe benefits, utilities, travel, communication, computing, depreciation etc. ABC collects expenses from this financial system and drive them to the activities performed.

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Activities: Types Unit level: Performed each time a unit is produced Batch level: Performed each time a batch is produced Product level: Performed to support production of different type of product Customer Level: Performed to support servicing customers Facility level:Residuary head

Define activity drivers : 

Define activity drivers The linkage between activities and cost objects, such as products, customers,, is accomplished by using activity drivers. An activity driver is a quantitative measure of the output of an activity. The selection of an activity driver reflects a subjective trade-off between accuracy and cost of measurement.

Slide 19: 

Ascertaining Cost

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Building an ABC Model Identify Resources Identify Activities Identify Cost Objects Define Resource Drivers Define Activity Drivers Enter Resource Costs Enter Resource Driver Qty. Enter Activity Driver Qty. Calculate Costs

ABC: Where to Use? : 

ABC: Where to Use? High Overheads Product Diversity or Multiple Products Customer Diversity Service Diversity Stiff Competition

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