DATA CHARGES CANNOT BE EXPLAINED

I received my bill and noticed a high data charge. I contact the 808 number on Friday and when asked about my query i mentioned that my data cost and not in line with my usage. i kept being put to different areas until 1 individual promised to forward me a URL report. I did not except this as an explantion and asked for further explanation but kept being put on hold. i tried calling several times after but was put on hold. This is very frustrating that no can explain why or provide me with proof as to how MTN got to the figure. <br> <br> The fact that nobody can explain this to me makes me believ that this bill is incorrect. I also logged a call on my invoice for 20 August 2015 and have not receievd any feedback.<br> <br> I want answeres and proof ASAP.