I think 'the" should be dropped. It is the mistake you make the most in the English therefore I will draw the attention of the other Dl learners.
Sorry Robin, I disagree. I think 'All prices include delivery' would be a very natural expression to use, e.g. on websites etc.
in danish you can barely hear the end of the word "leveringen" (THE delivery). It sounds like just "levering" (delivery). I have reported that the danish sound is not good.
Here's one for those demanding useful phrases.