it is posible to modify the data base, with a script that can modify end of day transactions, like automatically reduce to 30% of the real sale, may sound wrong, but here in mexico a lot of people of tax dependecies check your small bussiness once in a while, so you need to report the net sales per …

Modify reports to adjust sales amounts and items quantitys

Guillermo_Rafael_Za1 March 3, 2016, 8:08pm 5

I’ll give a try to the custom report tutorial in this page,
so i can multiple quantitys and amounts per 0.3