Rotten biltong,Stiking attitude from Brenden.

On the 24th of december 2017 just before 15:00 I purchased a few items including Biltong worth 84.80 with the intention of using it on the 25 for one of my salads, on the 25th I opened the packet ready to sprinkle the biltong on the salad,but because I couldn't wait to have the salad I took a slice from the biltong and the taste was horrible,long story short Hubby tasted and agreed that it was off,26th I had plans couldn't go to food *****s market,27th I go there spoke to the Ladies that assisted,as per the procedure they called the Manager by the name of Brenden,(very rude for the profession that his in)No apology nothing, he instead asked me why was I sitting with a rotten biltong for more than 48 ?,my response was (politely 25th was christmas and 26 I thought you were closed cause I also work for retail and we were closed and on top of that I had plans)and his response was he doesn't think he can help me( with a very stinking attitude),he has to ask for permission to assist me, he goes comes back and says weigh the biltong and give her her money back,out of disappointment with his service I tell him that he is very unprofessional and while I'm talking he walks away. We don't treat customers like that,NOPE.