check this link: The main instruction is under the file named discussion3900 and the other files are to help you further understand the material. https://www.mediafire.com/file/qb32wkzz7doh0x9/discu

check this link:  The main instruction is under the file named discussion3900 and the other files are to help you further understand the material. 

https://www.mediafire.com/file/qb32wkzz7doh0x9/discussion_3900.pdf/file 

Let me know if you can do it