Shoprite has the worst employees...

I was at Shoprite Capital Centre in Pietermaritzburg, I was there to buy Water and Electricity for my flat, I first stood for 2 hours to get to the money market and when I get there I buy what I want to buy then I asked for cash back. Ningi Mbambo the cashier says to me that money market does not give cash back. I must go inside stand another que in the tills for that. I then ask am I not buying when I am purchasing water and Electricity? I then asked to speak to the manager and she called the teller next to her and told her that I want to see the manager and they just laughed it out