It all started with a deposit refund query

My hired was collected on the 8th August 2015 and returned on the 27th August 2015 at OR Tambo.I had paid a deposit of R1200 which was to be returned to me in full in 7days upon the return of the car on a full tank. To my surprise I then received an amount of R1143.86 on the 7th September 2015. On the 8th September 2015 I then call Hertz OR Tambo to enquire what the difference could be.I first spoke to a lady by the name of Rabia who does not have any telephone etiquette.During our call,she abruptly put the speaker of the phone aside and told her co-workers that she was on the phone.She then continued speaking to me,without an apology and/or apologetic gesture of her attitude.Rabia then gave me a number to contact (I.e ***)a lady by the name of Unity,to enquire on the shortfall.The lady who picked up this call then advised me that im at the wrong department and that I should call *** as that was Unity's direct number.To my shock this number did not exist.I then referred back to the number provided by Rabia and with no apology, was told to now try *** as she did not understand why the first number didn't go through.This is when Unity and I went at it.