You may use the same example if it covers all three types of problems, or you may include three different examples where each one covers a different type of problem.
Explain the situation in each example and the outcome.
Compare and contrast the processes that were or should have been used to handle each type of problem.
Propose recommendations and solutions that could or should have been used.
Should they have all been handled in the same manner, or are different procedures for handling each needed? Why?