Activity-based costing (ABC) is a method of calculating the cost of a product or service that considers the cost of the resources consumed in each specific activity that goes into producing it. This approach is different from traditional costing methods, which typically assign overhead costs to products or services based on a single cost driver, such as direct labor hours or machine hours.
ABC was developed in response to the limitations of traditional costing methods, which often resulted in inaccurate product costs. For example, a product that required a lot of machine hours may have appeared to be more expensive to produce than a similar product that required less machine time, even if the latter required more expensive materials or more labor hours. This type of pricing distortion can lead to incorrect decisions about pricing, production levels, and resource allocation.
To use ABC, a company first identifies the activities that go into producing a product or service and the resources consumed by each activity. These activities and resources are then grouped into cost pools, with each pool representing a specific type of cost. For example, a cost pool may include the materials and labor required to produce a product, or the energy and maintenance costs associated with operating a machine.
The company then calculates the cost of each cost pool by dividing the total cost of the resources consumed by the number of units produced. This results in a per-unit cost for each cost pool, which can be used to calculate the total cost of a product or service.
One advantage of ABC is that it provides a more accurate representation of the true cost of a product or service. By considering the cost of each activity that goes into production, ABC can more accurately reflect the true cost of each product or service, rather than just the cost of direct labor or materials. This allows companies to make more informed decisions about pricing and resource allocation, which can improve profitability and efficiency.
Another advantage of ABC is that it helps companies identify areas where they can reduce costs. By breaking down the cost of each activity, companies can identify activities that are less efficient and take steps to streamline them or eliminate them altogether. This can help companies become more competitive and improve their bottom line.
Overall, activity-based costing is a valuable tool for companies that want to better understand the true cost of their products and services and make more informed decisions about pricing, production, and resource allocation.