Cell C what a bunch of ******

Cancelled my contracts on the 8th of May agent informs me that my last debit will be end may - Guess what got my new bill both cell numbers gets billed with a Pinnacle Top UP (Data) get charged for a full month but was advised that it will expire on the 8th of June - So they letting me use it or loose it but dear customer you still pay for the full month what a bunch of sharks and ******