my log book

So far through my jorney to inventing marketing and selling my invention have done some research on if any one would by it and how much they think it will be. it turns out that 80% pecent of the people i have asked (which is the girls) say's "yes". I have also asked how much they think it would ost from about 40-120 the majority rules so about $60 but i was also supprised to find that some