Mr Price Cavendish- extremely rude staff

If I could post a 0 star rating I would. Bought a pants that had a red sticker. I took it obviously because the price I saw grabbed my attention R100. Coming to the til the cashier just gives me the machine and I see a larger amount. The pants was R280. I then ask the cashier why am I not paying the amount I saw and they show me this SMALL CUT OFF PRICE and tell me “there it says R280”. The tone at which I spoke to the cashier was not rude at all yet I was spoken to extremely rude. A little back and forth explaining what I saw vs what the “tag” apparently says the cashier then calls the manager (I assume) and then talks to the other cashiers about me in a different language. I kept asking “but do you atleast understand where I’m coming from” the manager then comes and treats me like I’m some sort of idiot and glares at me the whole time while I’m trying to explain that I see the R100 and not R280 on the tag. If they had just explained and spoken to me nicer I would’ve left this however I felt so belittled and embarrassed. Standing there and having people talk about you in another language and visibly getting annoyed with you when you aren’t screaming or anything is quite upsetting. I’ll never shop there again. Get your tags right the R100 was clearly way more visible than the apparent R280.