Acer should inform clients of any extra charges before hand !!!

<p>I recently booked my laptop in for warranty repairs and it will not be repaired as it was found the fualt was casued to the damage to the machine and I opened it to check why it was not starting up.</p> <p> </p> <p>My complaint is that I asked Acer to please leave the repair as they did quote me but now I have to pay a quote cancellation fee . I was never informed of this before hand when I initially booked the machine and the machine is still under warranty untill August. The only time I was informed of this is when I received the quotation and when acer informed me via Mail. Dell and HP does this why cant Acer. Can anyone please contact me regarding this issue ? I do not expect Acer to ship it back to me but I wont pay a fee that i was not made aware of</p>