incorrect price and bad service

I went into Edgars Gateway today the 15 May 2015 took a grey billabong cap which was priced at R39.95 from the floor the cashier scanned it then call a manger by name of Mxolisi Mzimeh who took the item back to the floor he went for around 5min or more came back saying that there is a whole rack of the caps on the floor which was not there when I picked the cap it was the only one. I took picture of the item priced at R39.95 the manger said the policy states they can't give it at price that's on the item and we can call or lay complaint but he can't give me it at that price . He did not give me the cap and took it away.<br> From what I know as a consumer the price that's on the item and what it scans it what I pay . This is not the first time I had this problem would edgars and items been priced wrong this time because of the rude service and treated like I did something wrong. <br>