This presentation explores the key approaches of operation management, the importance and value of operations management, and factors that affect decision making in organizations. It focuses on the case of Tesco, a British multinational retailer. Topics covered include total quality management, six sigma, supply chain management, business process redesign, and lean manufacturing. The presentation also discusses the role of operation management in improving productivity, utilizing resources, and creating business value. Additionally, it examines the factors that affect decision making, such as the business environment and PESTLE analysis. Recommendations are provided for Tesco managers to enhance product quality, fully utilize resources, and analyze macro-environmental factors for business stability and growth.