Worst Service by the TescaReco Cashier in Roodepoort

Just received the worst service at TecsaReco Roodepoort Branch. Went there to buy washing machine bearings. I didn't have a sample so I used my machine Serial Number to check the part online. The coloured cashier eventually agreed to check for me after harshly refusing. Stood up went to the back to fetch the parts, took my card payment and gave me the 2 boxes. Something told me to open the boxes and double check, turns out they were too big for my machine. Luckily another client with a similar machine came in and gave me the correct numbers.

Now this is where the problem starts, asked the lady to please exchange the bearings for the correct ones. She says no more stock for me as the other guy took the last ones. I'm like ok please refund me. She says "I don't have cash in my till come back tomorrow", another white guy came to her and told her to do a EFT Return form. She said NO, too much work, he must come tomorrow. Then a concerned white client told her "Mam you are aware you being very unprofessional and unfair to this client?", Where is your float? Silence. Call your manager! My manager is not here, give him a call. Silence, Then the gentleman told me infront of her to report her to Hello Peter. I said good idea, asked for her name she refused, she went under the desk and suddely she gave me my money. I said "how about that???? I'm contacting Hello Peter regardless". And left.