Pick N Pay SouthDowns

am not usually one to complain but I had an incident with the staff at pick n pay here in Southdowns. I was looking to buy a cake for my daughter and found this rainbow cake with the price of R41,79, I was so happy as thought this was such a good buy. As I approached the till to pay, the cashier stated that the cake was actually R199,99. (all four cakes were priced as R41,79 each) I understand that incorrect pricing of products does occur but I don't appreciate how the staff spoke to me. The supervisor was so rude to me and they made me feel like I was poor and couldn't afford a R200.00 cake and was told they wont override the price as thats not the price of that cake.I have never been spoken to like that before and I just had to let you know that I am very upset.