Extreme ******

Hi there all.I was at this dealership to buy a nissan navara.I was given R200 000 for my bakkie and we agreed that I wil pay R205 000 for the other one.After a month of waiting for them to fix the faults on the bakkie,they said I can pick it up and now the price is R220 000 for the same bakkie that we agreed on as R205 000.All of a sudden there where \miss communication"and they refuse to settle on the agreed price. Whats out for these *****'s. """