 Now, if you're looking for something that is going to be more structured, like, you know, we're going to go through vocabulary. And of course, Duolingo is going to do that. But if you want to say like this is going to be more like a course, a class. OK, that's when you're looking at things like Babbel or Rosetta Stone. And so it's you know, that's going to cost you anywhere between like, say, 10 and 15 dollars a month.