This case study analyzes various aspects of management accounting, including cost behavior, cost-volume-profit (CVP) analysis, and decision-making. The solution begins by defining different types of costs (fixed, variable, mixed, and step fixed) and categorizing expenses based on their behavior. It then delves into calculating operating profit, analyzing sales volume, and evaluating the impact of advertising campaigns on profitability. The solution includes detailed calculations of operating profit equations, break-even points, and margin of safety. Furthermore, it compares different business plans, recommending the most profitable option and providing a memorandum justifying the recommendation. The case study also explores overhead rate calculations and manufacturing cost analysis. The analysis utilizes contribution margin statements to aid in decision-making, emphasizing the importance of understanding cost behavior for informed business choices. Finally, the case study concludes with a discussion on the qualitative factors that influence the recommendations.