Teller swearing at my wife

My wife Today 18 September 2018 visited pep in Thabong mall Sebokeng and she was asking if pep has castor oil for retail and the lady by the name of Nombulelo at the till sweared at my wife and said” foetsek you think we selling custor oil here” and it was just an honest question, if she had a problem she could have maybe reffered her to somebody to assist So this is what i want as a customer from Nombulelo! A written apology to my wife for Her did and also from her manager as well or call her on ********** 404