Evaluating Process and Supply Chain Design, choose 2 of the following questions

Evaluating Process and Supply Chain Design, choose 2 of the following questions to discuss and respond with a minimum of 175 words: 
What is the lean concept and why is it important to study? 
How can lean be applied to manufacturing and service processes? 
Will lean work in service environments? Why or why not? 
Discuss ways to use lean to improve one of the following: a pizza restaurant, a hospital, or an auto dealership. 
Why is lean hard to implement in practice? 
Explain the relationship between quality and productivity under the