hello I would like to go to a small modification on the POS application, when a customer make a purchase and I have to give him a discount I would like the discount is not amounting in%.the customer makes a purchase of 24.000 FCFA AND THAT I WISH TO MAKE A DISCOUNT TO him of 4500 FCFA to calculate them in% it is a little complicated as I can modify so that his be the discount in amount
thx