Im currently using joomshopping shoopping cart. I would like to find a way in which I can be able to add additonal columns like tax in the invoice generated by the shopping cart. Could someone please tell me how to do this.
Joomla: 1.5.23
PHP: 5.2.14
MySQL: 5.0.92-community
PHP: 5.2.14
MySQL: 5.0.92-community