Thursday, 30 July 2015

What is Activity-Based Costing

Activity-based costing is a managerial accounting system that divides the products of a company into core activities and assigns costs to those activities. On the other hand, traditional costing assigns costs based on machine billing hours. Activity-based costing has increased in popularity as manufacturing costs have increased within companies. Activity-based costing offers advantages and disadvantages, and the size, products, services and budget of a company determines whether activity-based costing is the appropriate costing system to implement.

Attributing Costs More Accurately
Activity-based costing breaks products down into activities and assigns all costs associated with completing the activities. This allows a more accurate view of how much a particular product cost. It shows the direct relationship among activities, cost and products. Activity-based costing assigns to activities both manufacturing and non-manufacturing costs. It also eliminates the process of attaching some unrelated manufacturing cost to products. Overhead costs associated with activities are shown more accurately as well.

Budgeting
Activity-based costing allows management to effectively create budgets by clearly showing the relationship between costs and service production for different service levels. Activity-based costing clearly shows a company's overhead costs, and management is able to budget for such costs accordingly. Budgeting based on activity-based costing can replace traditional budgeting that is based solely on a company's expenses. Budgeting is an important aspect within an organization because the allocation of resources is based on the budget.

Expensive to Implement
Implementing an activity-based costing system is more expensive than implementing a traditional costing system. Not only is the implementation expensive, but the costs to maintain the system are high as well. Companies must train employees to use the activity-based costing system. These are major disadvantages for many small firms that do not have a lot of services, products or resources. Even some large companies have abandoned the model because of the high costs associated with activity-based costing.

Conforming to GAAP
Activity-based costing does not conform to generally accepted accounting principles (GAAP), meaning companies need to implement another costing system in addition to the activity-based costing system. GAAP requires that a company's external reports include all manufacturing costs. Activity-based costing does not include all manufacturing costs and includes other costs, such as product costs. It is possible for companies to make adjustments to their activity-based costing information to comply with GAAP, but it takes additional work. Some companies do not believe the additional work required is cost effective, and, therefore, use another costing system.

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