Which SP stack to install for EP 7 and BP XSS for ERP 2005

Hello,

I installed portal EP 7 and ERP 2005 both SR2

I also installed the XSS BP in the portal

Now I want to install sp-stacks but I have the following dilema

which sp-stack do I install

a) for ERP 2005

b) for the EP 7

c) for the XSS BP

Please, advise.

Kind regards,

Gil Halevy