Passage

Directions : Study the following information carefully and answer the question that follows. The table below shows the total books published and the total books sold in different genres by a particular publishing house. Type of book (Genre) Total books published Total books sold Fantasy 9,500 7,500 Fiction 8,000 6,000 Horror 8,500 7,000 Encyclopaedia 9,000 8,000 Biography 6,500 5,000

Find the difference between the average of the books which were published in all the genres and that of the books which were sold in all the genres.