I think the Department of Economics and Trade is a bit difficult to get into. There is indeed a score requirement, but I forget exactly how much. However, one of my classmates chose marketing. He got more than 80 points in math and more than 90 points in English, and didn't record any points. I found a relationship and went in.
But I still think it is quite easy. Let's go I'm sure I can get in. You really have to have confidence in yourself.