According to textbook Operations and Supply Chain Management by Collier and Evans for the Sunshine Enterprises Case Study (pg 518-20)

1. Draw a cause-and-effect diagramfor the possible causes of the $25 tip service upset. Select one possible root cause from your diagram, and explain how you would investigate and fix it/

2. What is the average value of a loyal customer (VLC) at Abbey's restaurant ( see cvhaoter 2, section 2-2b)? What is the best way to increase revenue given your VLC analysis?

3. Critique the current informal quality control system. What changes and improvements do you recommend if Sunshine expands to 20 restaurants?

4. What are your short- and- long-term recommendations? Explain your rationale for these recommendations.