Bad service and worst service

I was at boxer at pan Africa mall...I received a very worst bad service ever or it because of is situated in black people area I don't know why...I was purchasing 4 bread and 2 apples with was a combo 2 for R30..I queen like everybody else when was my time to pay the cashier said that I cannot pay she called the supervisor whom she also denied me to pay also telling me that I must quee again...so said she don't loose or benefit anything even if I leave the items I endended up.leaving my items...bad service IL rather go to.another supermarket boxer pan Africa mall is nonsense.