signing of offer to purchacse not honoured.

I had ordered and test drove a 2007 corsa utility. I was very happy with the bakkie. I had signed an offer to purchase agreement. I had finance arrangement in order with ABSA.I was paying 50% of the total of the purchase price in cash. Later that afternoon i had heared from the manager that my offer to purchase ment nothing.She had decided to sell the vehicle to a prefered client.As discussed with the salesman the vehicles on the floor is on a first come first serve basis. The poor salesman had been outspoked ond overulled.What rubbish. A company of your stature and of your standing and of your calibre, shame on you. You were suppose to be chasing clients and not the other way around.Where is your bussiness ethics and your code of conduct. If you keep vehicles for pals then ia am afraid your business is heading for doom and gloom. The sales manager brushed me off.I am very very disappointed in your service.I have so far purchased 5 x courier bakkies frim your company.Never and never again will I support your company again