Nterprise Resource Planning Answer the questions

I need you to answer the questions please. I will upload a file that have solutions for the questions, but DO NOT copay and paste them. Write your own answer for the questions, but I need it to be similar to the solutions that I will gave you. you can take some parts of it especially the main keys, but write them in your own way. I would like to get something much better than the solutions that Ill gave you, but as I said not far from it.

Added on 18.06.2015 17:47
Attached you will find the Questions and copy of the solutions.