Disconnected

On Monday 16 October 2017 the payment of R93.83 was due, and I made a mistake and paid R50.00 as I was paying my monthly bills by EFT. On Tuesday my services was disconnected and I made an enquiry with DSTV via facebook. I was made aware that i had paid R50.00 and was advised to pay the balance of R43.83 and I did and sent proof of payment, my services was reconnected. Today (Sunday) when I switch on my tv, dstv services disconnected and I enquire with DSTV on facebook and I'm told I have paid less than what i was supposed to pay. I'm told about reconnection fees and other things which they didn't tell me about before I made a payment now they say I must pay R99.00 again. My questions are 1. Why did they tell me to pay R43.83? 2. Didn't they know about the fees they are telling me about now? 3. Why did they reconnect my services if I had paid less? 4. When did they realise that i paid less? 5. Why did it take them a whole week to realise that i had paid less? I am so disappointed and angry with DSTV multichoice, its not my fault they gave me wrong amount to pay. Now why do I have to suffer for their incompetence? They are unprofessional, they should have made me aware and not disconnect my services and not be told anything. This is the most terrible service I've received. They see nothing wrong about all this