Gross profits . Not net profits . Source is an engineering economics class taught by an adjunct who worksworked for IBM and Seagate among others . <| sep |> Is this a before picture for proactive ? <| sep |> I ' m confused . If you ' re willing to reply to my comment to suggest a change in the way I worded my sentence to say the same exact thing why not just say nothing at all <| sep |> Oh , I ' m sure . I ' ve seen videos and quotes from Donald Trump in the 80 s or so and he was a very different person than he is today very soft spoken and very very humble . I have no doubt that he was once a good man , and still has a good man inside him , but he ' s let fame , money , and power go to his head . <| sep |> The natives hadn ' t even discovered the wheel . Which is a moronic thing to say . It ' s not like they were mystified by the concept of a wheel , they just had no practical way to make use of it . Wheels are only useful if you a have lots of reasonably traversable land and b big , heavy draft animals to pull it . While North America had plenty of land , most of the big animal species , like the North American horse , had died out tens of thousands of years prior to colonization by Europeans . And while buffalo are big , sturdy animals , they are exceptionally difficult to domesticate .