False advertising and combo deals in the newspaper

Very disappointed in the pick n pay franchise as today I went shopping to buy a deal that they had advertised in the newspaper for 520 does it contain a 10 kilo Rice 10 kilo bag of flour 10 kilo maizemeal 10 kilo white sugar and a 5 L oil for 520 when I went to pick n pay they proceeded to tell me that they do not have the dude anymore as it is too costly to them and will not have to deal and they have sent an apology letter in the newspaper and post which they have not