PM case study

Need to read the attached case study on page 332( McRoy Aerospace ) and answer 4&5 questions from page 333.

Questions need to be answered:

4. What should Mark have done if Jack still was not able to resolve the problem?

5. Would it make sense for Mark to assign this problem to someone else now, after       Jack could not solve the problem the second time around?

Need to write 300 words, APA format, No plagarism and provide references at the end.