I think in your case what the system does (and you need to double check) is fine:you pay 100 + 5+7 = 112When you bill that out, you do it as $107+GST. Now there...
I actually found a solution!I created a NEW pst tax where the purchase rate was 0% and selling rate is 7%.Then made a new combo tax with GST. (I called it 'GP')...
But it is the document of origin that determines the tax code when you pull a billable expense into an invoice. It is populating the invoice with the exact line...
