exchange

Hi all, I have a question. I am purchasing a property, initially I indicated that I don't want to receive 7k government grant for first home owners. I would like to know if it is possible to change this now, after exchange, before settlement, or is it too late ? Does it cost something...

Snapshot of AUD/USD hourly chart as at 15:40 on Oct 22, 2008. Expectation is that it could reach where the red arrow is pointing... we'll see in a few days!