Pathetic, dishonesty by sixty60

I ordered douwe egberts coffee which was advertised for R85.99 right through S.A. i was however charged the full price of R129.99. I have logged faults with sixty6o, without any feedback. When i called them now, they keep on telling me that i dont qualify for advertised price since i used the sixty60 service and didnt shop in store. This is *********