nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqk6mcy34s367ltpjldzhqtkf0qyd5um6jkh2n3jum6wtrrkmdgp5sd47dcc (nprofile…7dcc) It's not interest and it also doesn't stay the same. It's a discount and they now halve it.
You used get 3 euros back for every 490 euros spent, but now you need to spend 980 to get the same 3 euros. That's a meagre 0.3% discount. Why bother?