[Query] Whats the maximum amount of offer one can get on a latest Mac book air [M5]

so lets say i get it around june, ill be using student discount and card offers.
Will back to school offer add up on these?
After the student discount right now, im getting it for 1,08,000. Lets say if i get it from amazon or smth when the Sales are live, will i be able to use the student discount on amazon?