Insult and refusal to exchange item

I bought DSTV from the store and later on sent my wifi to buy a 5 metre HDMI cable, she took a sample and the sales person showed her the cable, only to find that the cable is not fitting into the DSTV. She took it back and the sales person refused to exchange or refund her. She asked for the manager who has something against women. He refused to change the item. He passed a comment that people should stop being stupid a read. That is a big insult to my wife. How does a reputable company hire such people and make them managers?<br> <br> When I bought the TV I did get poor customer service but choose to ignore it but now thinking about it, I don't expect the sales person to have good customer service if they report to a manager like Tendai. <br> <br> We left the cable at the store and we want are merely asking for our refund. Nothing on the slip that says we cannot exchange or get a refund. All we are asking for is our money back and we will never set foot at any of your stores. Hire corporation used to be our family store, from fridge, washing machines, PS3, all bought from HIfi, but our relationship is coming to an end and thanks toTendai the rude manager.