Standard bank handed my account to attorney after it has already been paid up

I am deeply disappointed and angry at the fact that standard bank handed my account over to a a company by the name of DALYCALL to recover The amount of R1689.23 that was already paid over to the bank on the 31st JANUARY 2017 ALREADY. When I called the call center I was transferred to an agent who firstly spoke to me in a tone that was very accusing as well as she insisted that the Cheque account i was referring to was not CLOSED. I then had to frantically make my way to the Standard bank branch at OR Tambo International where I was assisted by a consultant who told me that my account was indeed closed as at the 31 January 2017. Further to this I want to also say that the amount of R1689.23 WAS DEBITED FROM MY SAVINGS ACCOUNT WITHOUT MY KNOWLEDGE OR PERMISSION and when I inquired about this debit at the bank I was told that the bank was allowed to make deduction to recover money owed to them and they didn't need my permission. I am sure that this is not a ethical practice. The attorney office wanted me to email proof to them to say that I have paid the account up so I go to the bank to get a bank statment from January and guess what I NOT TOLD THAT I WILL BE CHARGED R300.00 FOR THIS 4 PAGE BANK STATEMENT THAT IS ONLY FOR JANUARY AND FEBRUARY BUT I WAS CHARGED FRO A 360 DAY STATEMENT. Really i am so ****ed off with you STANDARD BANK