I have just found a video on how to show negative figures on invoices by going into the Report Designer and it appears that there are a minimum of 11 clicks (I lost count) to make the negative net amount show, you then have to repeat the exercise to show the negative VAT amount, and you have to do this for each invoice line.
We occasionally use all the lines on an invoice, any one of which could be a minus value, so that is a lot of clicks, or am I missing something?
I know that it deducts the amount but why is a minus symbol not shown automatically when you click the 'make negative' box on the invoice.