Different Explainations from DTSV consultants

Good Day,

DTSV is so ***********: They debited R653 on the 25 September 2019 I called in to query the amount and was advised the matter will be escalated and they will refund me. 25th October R534 was debited and I called again to query and was advised that the matter will be resolved as there was some Technical account issues and the matter will be escalated to the accounts department. on the 25 November 2019 the correct amount was debited R549 (Price lock price) I called in for an explanation and I was advised by the consultant: Mone Tshabalala that the account was in errors hence the amount of R653 was debited. When I called in the first 2 times why was I not advised on the outstanding amount? On the contract I took with Mutlichoice the amount was never disclosed. I asked for the debit order to be removed so I can manually pay the account and I was advised its not possible. May I get a proper explanation of the different debit amount on my account and the cancellation of the debit order.