In case of misunderstanding. You only need to do the following questions: 

Problem 10.6 on the file named page 401

Problem 10.8 on the file named page 401

Problem 10.12 on the file named page 404

Problem 10.16 on the file named page 409 

For the instruction about how to solve and format the questions, please read the file named assignment_week_96.doc.