everything was prepared for us, the materials needed were simple to find and the books were easy to access. i learned a few things and now i have a new thing to show you. sorry, i should have written "after the "other points:"" instead of "after the "to be clear, i do this:"". please keep us updated about your research :d good luck! and one more thing how to update market? it makes me feel nervous and i think that can only be a good thing! 