I need help with a Marketing question. All explanations and answers will be used to help me learn.

i will to sell a new product which i imagined.
i it is 12- 15 page paper. i have all of ideas and draft, also prof have take look the draft and gave suggestion already. we also have two example. one of them is a 98% work from last semester, the other one is a example prof gave us. it is a second years course.