Discuss at least three examples each of internal and external failure costs. 

2- Describe how will you proceed systematically to bring down quality costs in an organization that has an external failure cost resulting to a decrease in sales.

3- If you are a manager of a company experiencing both internal and external failure costs, what measures or strategies you are going to do in order to solve the problem.

4- Discuss the following concepts: a. Reduction of Prevention Costs b. Progressive Reduction of Appraisal Costs c. Reduction of Failure Costs d. Hidden Costs