What average do you need to be accepted in the concordia bcomm program?

I am in grade 10 and at midterms I had an 89 average but it has gone down because of history. I am taking courses such as, accounting, business management, bio, math, english and co op in grade 11 and I'm just wondering what average i need to aim for because I plan on going to concordia, mcgill or u of t for business. thanks!