Debt Review

actually i started to pay my money to them since from 30th April 2017 a sum of R3384.00 as an arrangements accordingly that the money i was owed sum of R74884.00. they said to me I will able to pay that for the period of 24 months which means i will pay R3384.00 but now is R3394.00 .at this moment my problem is that a 24 months is expired or is finished but they still have continued to deducted from my account. if are checking at this moment I'm already paid more than a money i was mentioned above but now is R84.600 could you please investigate this matter for me .I thank you .Consumer number :*** NCR:944899 Name Joseph majola