How do operations managers optimize processes to enhance efficiency and productivity? Discuss the principles of operations management, including inventory management, supply chain optimization, and quality control. Explore the role of forecasting, capacity planning, and scheduling in meeting customer demands while minimizing costs. Additionally, examine the importance of lean manufacturing, Six Sigma, and Total Quality Management $($TQM$)$ principles in improving operational performance. Highlight the application of technology, data analytics, and continuous improvement methodologies in streamlining operations and achieving organizational objectives.