Please Help Me answer this It will Help in my Revision!!

During the summer holidays you work at an established manufacturing organisation that produces batches of white goods such as fridges. With a reputation for competitive pricing and dependable supply, the organisation recently won a new customer contract. This has increased their volumes significantly and awarded them a large share of the market. It has resulted in additional pressure to meet quality and delivery expectations consistently, while managing costs. The Production Manager is convinced that to cope with the increased demand, more machines should be purchased and more people should be hired. The Operations Director disagrees and believes there are improvements that could improve capacity available before investing in more.

"The Production Manager requests you study the operations in detail to understand the issues more clearly before improvement alternatives are proposed."

"Discuss the difference between Muda, Mura and Muri (3M's) and how identification of the 3M's could aid a study to improve capacity?