Grafico 2

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dFFCLXhwQlZZUnpmYTBDMHNHNzdJcEE&usp=sharing

Gráfico 1

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dDBjOVRBdUdFbTRNT1lIcTJBNGlzSlE&usp=sharing

Factura 2

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dE11X21rakZJYlhodmNfUkdvR0dTVnc&usp=sharing

Factura 1

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dHdOaFUzZXBCZ1dneXEzcjZaanpON3c&usp=sharing

Hoja Calculo 3

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dGIzRGxqbHNJTTNXME9CdGI4QndaRUE&usp=sharing

Hoja Calculo 2

https://docs.google.com/spreadsheet/ccc?key=0Ao8XzUZqX-M-dFhnRVdhSHppS1RLSDlWLUFiX2Rtanc&usp=sharing