SA Post Office

Terrible customer service at SAPO Silverton branch, can't pay motor vehicle licence because the cashier is knocking off at 16:00 and her bus is going to leave without her, those were her exact words. She says she did us customers a favour by staying until 16:30. So why does the post office close at 17:00 but we can't pay our licences? Very disappointed at the service and the attitude.