Dented Demo Fridge sold at full promotional price

On Sunday 22nd February 2015 I went to Makro to purchase a Samsang fridge that was on special. The sales person told me that the fridge on display was the last one and the range was discontinued. I looked at the fridge and discovered that it had scratches on both doors, dents on the handles and left door and the front leg cover is damaged as this was a demo. I asked the sales person for a discount as the fridge was a demo with defects highlighted above. He told me that, this fridge has already been discounted on the bases of those defects. Thinking that I found a bargain, I paid R12 000 cash.To my surprise, yesterday I received promotional catalogs from two shops and saw the same Samsung 660L fridge I bought is selling at R12 000. I got angry and feel that both Makro and Samsung are making profit unjustly. This is undue enrichment. I was misled into think that I got a bargain while my sale was a *******. Knowing this, I feel that the store should have given a discount of R3000 or more or ordered a new fridge for me. I am now living with a Samsung product in my kitchen that I now hate. I do not value it because it is a constant reminder of the raw deal I got from Makro.