Bad customer service from precious at Shoprite Elsburg

Bad customer service at elsburg shoprite elsburg. Cahier (Presious) was chatting with a ***friend at the till for 15mins while we stood in the queue. When we asked as to why the queue was not moving she purposely started scan our groceries slow just to be spiteful, she did not great ,nor acknowledge us nor supervision on the floor to even monitor the cashiers