What are My chances?

<p>I really want to get into Cal Poly SLO Business School. What are my chances?
SAT 1840 reading 550, math 640, writing 650
ACT 27 GPA 4.2
Taking AP Calculus, AP Statistics, AP Literature, AP Government, AP Economics this year
I participate in an activity 16-20 hours a week (asked on the application) and hold a position in it.</p>

<p>also what are the benefits of early decision other than finding out earlier? do you have a better chance of getting in?</p>