Rude agent

I just received just a rude phone call from one of their collections agents regarding my husband tv license. The agent was just plain disrespectful, speaking to me like I owe MBD millions when it’s just R279 When you ask if they can provide us with a statement that can’t be done. Yet it’s okay to speak to your clients like they nothing. I’ve worked in collections myself and I’ve never spoken to someone like that before. No client service and what a bad client experience for me