They displayed this container with the price when i get to the till they refused me to pay the price they put there which is R21

They displayed this container with the price when i get to the till they refused me to pay the price they put there which is R21.90 [file=18738_350b7547f01a6b23a194010db6e36aa7__https://s3-eu-west-1.amazonaws.com/pslbs/lhc-files/7b98-user-files/577f36b95290b8e887ab7848e***.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOADandX-Amz-Algorithm=AWS4-HMAC-SHA256andX-Amz-Credential=AKIA5DGWZC5MLFWEG3MCpercent2F***7percent2Feu-west-1percent2Fs3percent2Faws4_requestandX-Amz-Date=***7T195928ZandX-Amz-SignedHeaders=hostandX-Amz-Expires=1200andX-Amz-Signature=cd***0b425db1b5920bf53a0afb3387aa38a6a24d553a5799c17b*** link=http://hellopeter.kobliat.com/dialog/download/18738]