********* and disingenuous practices

FNB handed over a closed account which had allegedly had arrears without informing me. Highly disingenuous in contravention of legislation as a upon contacting them, the agent advised I was informed. I proceeded to inform her this is false as I received no such notification from the bank and she subsequently hung up. She was abrasive and dismissive and told me it was sent and she can see it on the system. It appears the bank is trying to enrich this law firm and simply handover closed accounts with miniscule amounts owing without informing the account holder. Attempts to have this resolved have been unsuccessful and despite multiple requests to have this escalated, the agents I've tried speaking to hang up instead. I'm extremely dissatisfied and upset by their poor customer service and ********* behavior