Vodacom data billing very high

The following data accounts were reported to Vodacom for investigation on 20 May 2015<br> <br> Vodacom billing of data account no B*** with R10 413.37 in May 2015 (used during April 2015). <br> Ref no S3-85422-2V UMH<br> <br> Vodacom billing of data account no B*** with R3 778.51 in April 2015 (used during March 2015) <br> Ref no S3-85422-2V UMH<br> <br> Vodacom billing of data account no B*** with R3 003.47 in May 2015 (used during April 2015) <br> Ref no S3-85422-2C UMH<br> <br> Up to date no feedback from Vodacom. When following up the answer is \still busy investigating"!!"""