Centennial Software Engineering Technology fast track-jan 2015

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Hello,

I have paid my 1st sem fees $7500cad and received the fee receipt for jan 2015 intake for Software Engineering Technology fast track;co-op(2yrs,4 semesters), but i have been told that only according to my 1st semester performance and an assessment test in their college i would be accepted for the
co-op term--- then my study would be of 6 semesters.....is it so??

can anyone tell me:

1]when i'm i expected to pay my second semester fees?? is it after 6 months or 4 months from january(joining)???

2]let me also know the number of working days of the college????

3]what is the duration of a semester in centennial?

please reply