This assignment focuses on defining and identifying cost centres within various business departments, differentiating between fixed, variable, mixed, and semi-fixed costs. It includes classifying departments like bank branches, marketing, research, and insurance sales based on whether they operate as cost or profit centres, providing justifications for each classification. Furthermore, the assignment identifies potential cost centres for a window manufacturing company, such as human resources, marketing, research and development, and quality control. It addresses the proper accounting treatment of a company president's salary and categorizes costs for a biscuit manufacturer, Thandi's Treats, into direct, indirect, fixed, variable, semi-fixed, and mixed cost categories. Finally, it requires the completion of a table showing fixed costs, variable costs, total costs, and unit costs for a dog training service at different activity levels.