. For each of the descriptions below, perform the following tasks:

Identify the degree and cardinalities of the relationship

and Express the relationships in each description graphically with an E-R diagram. Mention the degree and cardinalities below the diagrams.

A. A book is identified by its ISBN number, and it has a title, a price, and a date of publication. It is published by a publisher, which has its own ID number and a name. Each book has exactly one publisher, but one publisher typically publishes zero, one or multiple books over time.

B. A book is written by one or multiple authors. Each author is identified by an author number and has a name and date of birth. Each author has either one or multiple books; in addition, occasionally data are needed regarding prospective authors who have not yet published any books. c. A book can be part of a series, which is also identified as a book and has its own ISBN number. One book can belong to several series, and a series consists of at least one but potentially many books.

C.A book can be part of a series, which is also identified as a book and has its own ISBN number. One book can belong to several series, and a series consists of at least one but potentially many books.