total incompetence

Absolute total incompetence. My father's woolworths account was handed over to them after he was declared insolvent and his business closed he was living on a government pension. Every time I tried to discuss it with an employee I was told that it has nothing to do with me it is my father's account. My father is 74 years old and ill and he was continously harrassed 5/6 times a day with telephone calls. On 28 January 2020 I paid this account in full settlement with the figure they gave me on the day and now we are still continously getting harrassed with telephone calls, sms and e-mails to make payment. Even though I have requested on numerous occassions for them to acknowledge receipt of payment. What actually shocks me even more is that a huge international company like Woolworths would utilise such an *********** firm of Attorneys.