hello....how can i add a fixed (constant) tax or margin (no percent) to the total price in the end of checkout????for example, to every order i wanna add 10$ tax!!how can i make it???thanks...
Joomla: 3.4.4
JoomShopping: 4.9.0
Website Url: http://mut-shop.ru
JoomShopping: 4.9.0
Website Url: http://mut-shop.ru