Rude and misleading staff at Decofurn Edenvale

I went into Decofurn Edenvale to purchase a plasma TV unit. I chose a TV unit as advised by the sales rep was R750 on special and was also marked on the TV unit accordingly. When I got to the till I was informed that the price was R850. The, what looked like the manager, went to check the price and told me that the price of R750 only app**** to a white TV unit of the same design. I then asked why was the sales rep and the price tag so misinforming and I was then shouted at by the manager who said the price was actually R999 and embarrassed in front of the other customers in the store and had to leave without the unit. I was told 3 different prices and left humiliated by the staff.