Given the file structure shown below, answer the following questions:

AUTHOR_NUM	AUTHOR_NAME	BOOK_CODE	TITLE	PUBLISHER_CODE	PUBLISHER_NAME	TYPE	PAPERBACK
3	Vernor Vintage	0180	A Deepness in the Sky	TB	Toe TBL_Books	SFI	Y
5	Peter Straub	0189	Magic Terror	FA	Fawcett TBL_Books	HOR	Y
18	Albert Camus	0200	The Stranger	VB	Vintage TBL_Books	FIC	N
11	Gary Wills	0378	Venice	SS	Simon and Schuster	ART	N
4	Dict Francis	0808	The Edge	JP	Jove Publications	HOR	V

1. Is the given structure free from possible anomalies? If not, what are the foreseen anomalies?
2. What are the various data sources in the file structure shown above?
3. Given your answer in number 2, what are the new tables that you would create in order to eliminate data redundancy?
4. Provide the metadata of these tables.
5. With the newly created tables, draw the ERD and its cardinalities using Crows foot notation.
6. Provide at least 2 business rules based on the created ERD.