Activity-based costing (ABC) vs traditional costing method
Traditional costing system uses arbitrary methods to allocate overheads to products. Generally, this method allocates overheads using a single overhead rate, also known as a blanket overhead rate or predetermined rate. For example making use of direct labour hours, Machine hours, Production units, floor space etc. Consider this example of Ms PriceCut clothing store. There are 3 departments, Women, Men and children. The floor space and floor labour hours is 800m2 and 15 000 hours for Women's department, 300m2 and 1500 hours for the men's department and 500m2 and 3500hours for the children's department. The company’s only overheads is $2,6 million of rent expenses. These overheads are allocated to the department using floor labour hours. Based on this information, the blanket overhead allocation rate is $130 per floor hour, that is $2,6 million/20 000hours The allocations to the departments will be: Women: 15 000 x $130 = R1 950 000 Men: 1 500 x $130 = R195 000 Children: 3 ...