ok, make sure Product/Service is ticked and Description is ticked - don't include Product/Service in the description and then next to the list of 'columns is a ...
have you tried selecting the Product/Service option on the content tab on the default sales invoice layout? because I found this has the desired effect on the P...
If you delete your last stock adjustment and then see what the stock value is and then change the cost price of the item to that stock value figure (for example...
