Moulded bread before expiry date

Goodday I bought Sasko bread at Usave Blackheath on Sunday the 06/03 and the expiry date on there is best before the 09/03 . I have noticed mold on the Bread on Monday the 7th and thought I was mistaken but today the 08th the whole bread is covered in mold . What can I do about it . I have taken pictures of the moulded bread and is not happy to just throw the bread in the bin