Two litres of milk price increase/Dunnes?

We got a SuperValu grocery leaflet in our door and I was just browsing through it. We are fond of the Patak's sauces range. I noticed that they were €3 in SuperValu, checked online for Dunnes and they were €3.90.....then checked Tesco....€2.50. This was for a 450g jar.

It wouldn't have taken long to use up your Dunnes Stores €5 off with their prices.