In the Just-in-time (JIT) system, what is the purpose of lean production?

While cost reduction is a beneficial outcome of lean production, it is not the sole focus. Lean production aims to cut down on waste in various forms—such as excess inventory, overproduction, and inefficient processes—rather than merely targeting cost reduction. Therefore, this choice does not encompass the full scope of lean production principles.

Improving speed is one of the benefits of lean production, yet it is not the complete purpose. Lean production emphasizes a holistic approach to improve not only speed but also quality and efficiency by minimizing waste in all areas of the production process. Thus, this option does not accurately capture the essence of lean production.

Although lean production can lead to enhanced quality, this is just one aspect of its broader objective. The main purpose is to eliminate waste, which can improve quality incidentally as processes become more efficient. Focusing solely on quality neglects the comprehensive approach that lean production advocates for waste elimination.