Evaluating Activity-based costing Since its emergence in the mid-1980s, activity-based costing (ABC) has been the subject of numerous scientific publications. Academics, professional associations and consultants have fostered the spread of ABC in professional circles. Thus, there still appears to be a widely accepted need for a sophisticated costing method, such as ABC, and the management accounting context still seems to be favourable to its widespread use. However, some scholars have reported that numerous difficulties stand in the way of the adoption of the ABC system and the fact that ABC implementation can drain an organization's resources. Requirement: 1. So how do you evaluate ABC? Show your understanding of the ABC method. 2. Compared to other costing systems, what are the advantages and disadvantages of the ABC method? Use examples to develop your argument. 3. As a management accounting in Coles Supermarkets Australia, what kind of costing system will you choose? Based on supermarket characteristics, give reasons. 4. Do you have any suggestions to improve the ABC method? Or whether we should abandon this method? Why?