I have been misguided to when upgrading with Vodac

I upgraded my phone in January this year. The package was sold to me with the following being said. Red advantage with 2 extra gigs at a minimal extra charge. Anything over and above that will cost 50c per megabyte. The lady even said 'it used to cost you R2 per extra megabyte not it is 3 times less.' I am currently trying to get my new business up and running. The most I have ever paid for a single month has been R4600 which is very high and mostly due to data. <br> I have received my next invoice and I am in for R14 000 this month. I am told when I call the data department that I only have 1 gig free on my contract, not 3 and anything over and above is R2 per extra megabyte. Why would she have sold this bunch of lies to me. I even asked her why is it not written on the contract to which she said she is entering it onto the computer. I cannot afford R14 000 and am willing to take the lady who signed me up on in a court of law. I am fuming. Please can someone find out who upgraded me so we can settle this once and for all. It was at the vodacom shop in vodaworld. Thank you. Candace Bester