Incorrect pricing

Busy with my grocery shopping online however the more4less deal prices are showing the original price on my Cart not the promotional prices ...Makro card no:***.Buy Any 4 COMFORT Fabric Softner Refll 800ml For R140 and Buy 2 WELLINGTON SWEET CHILLI SAUCE 700ml For R75.I called for assistance but sadly i could not be assisted on a spot,have to wait for them to investigate.*** is my no.Why advertise something but charge something else??