I want my money back

Yesterday on the 25th went to protea Glen i bought, mcfeast*2, foldover*2 hapy meal they all cost me R359. 30 Wen i get home its not mcfeast its bigmac, i phoned them same time nd explain that they gave me a wrong order and im staying far, they said i should bring the slip

Today im here and i dnt want their beggar anymore i just want money back for 2 mcfeast that i didnt eat, they are giving the attitude, Ncebo is telling me that i should for the late shift to give me my money