Pathetic customer service

I went to game store an bough a few items including a tooth brush which was priced R25.95 on the shelf .i got to the till points and paid ,to my surprise when I got my till slip the tooth brush was charged R 45,95 , went back to the cashier who rudely directed me to customer service, when I got there, there was Nokulunga Mbambo, I explained everything to her , she asked me if m leaving the toothbrush because the price on the till slip is the correct price not the one I saw. Before I could even answer she printed two receipts for me to sign as she assumed I was gonna return the toothbrush. I told her what I saw on the shelf, she left me hanging there and went to the shelf,when she can back she never gave me any feedback nor tender any apology nothing she just instructed the cashier to ring the toothbrush at 25.95. She left me there surprised .