>> >Three months and $100,000 in diesel to plow a field?
> >> As I recall, someone verified that the 1/2 MPH was correct in some
> >> instances.
> >In some instances some people don't need a PC.
> >You think that was a bad invention too?
> Non sequitur
Again, do you think an invention is only worthwhile if it's the only thing everyone will ever need?
Your basic reasoning ability is screwed up so any "calculations" are a complete farce.
Bret Cahill
"A popular government without popular information or the means of acquiring it, is only a prologue to a farce, or a tragedy; or perhaps both."
-- Madison (1822)