http://www.scribd.com/fullscreen/74023027?access_key=key-225en96zxlgcdn5p0tvh
9 Porcentaje Inversion

http://www.scribd.com/fullscreen/74023024?access_key=key-2nub2l0b2nbj95qye38b
8 promedio tiempo


http://www.scribd.com/fullscreen/74023019?access_key=key-2ce0v1ndn6aypwn6a01t
7 ganancia vendedor


http://www.scribd.com/fullscreen/74023017?access_key=key-1dwjkmaccuv4drbilgyv
6 Presupuesto Hospital