"How does Operations Management optimize efficiency and productivity in businesses? Discuss the fundamental principles and techniques used to streamline processes and enhance performance. Explore the role of forecasting, capacity planning, inventory management, and quality control in ensuring smooth operations. How do businesses apply Operations Management theories to meet customer demands effectively while minimizing costs? Analyze the significance of lean production, just$-$in$-$time inventory systems, and total quality management in achieving operational excellence. Provide examples illustrating these concepts in practical scenarios."