Draw an ER diagram based on the following database requirements as provided by a book publisher. a. For each author, the book publisher would like to keep track of the authors IC number, name and contact number i. IC number is unique for each author ii. Name consists of first name, middle name and last name iii. An author can have more than one contact number b. For each book, the book publisher would like to keep track of the books ISBN (International Standard Book Number)and name i. ISBN is unique for each book c. Authors write books i. An author writes zero or more books ii. A book is written by one or more authors