Quotation Query

On The 5th of August 2015 I received a quotation from Nedbank for My home loan of R559.990.00 at 11.2% Interest rate. Meanwhile I awaited the completion of the Development, I installed a shower and Tiling for the Value of R6000 and I also paid a Deposit of R10 000.00. On the 4th of April the Attorneys requested we come in for the signing of the Bond papers and to our surprise we had to pay a Bond fee of which we were not aware of. I then requested Nedbank to Quote me for the full amount of R569.990.00 in order to cover the Bond fees requested. Today I Received the Quote that was even less than what I requested (R512.991.00 at 12.7 % Interest rate). I suppose to sign and move in by the 1st of May 2016 , however with Nedbank taking away my initial quote and providing me with a less amount it makes it impossible for me to do so. Please assist urgently as I already served my notice at my current landlord.