different discount for different product

[tarku]

Hi

I need to give different discount in total to specific shopper group
for example if shopper carts cd plazer discount is 25 dolors
if if shopper carts stereo playzer discount is 10 dolors
some think like that can anybody know not product category anybody know this pls help
My php version is 5.3.22. joomla 2.5.11 and vm is 2.0.20b

Thank you