Problem:

Six Sigma was started at Motorola but gained great visibility as a result of its implementation at General Electric under the tutelage of Jack Welch.

Just-in-Time came to the United States as an adaptation of the Toyota Production System.

Lean became part of the business lexicon as a result of James P. Womack and Daniel T. Jones's book Lean Thinking: Banish Waste and Create Wealth in Your Corporation.

Required:

Question 1) Discuss the differences and similarities between these three approaches to quality.

Question 2) Examine whether the three approaches can be used independently or in combination with each other. Support your answer with examples.

Explain the solution in detail.