iach question is worth 10 points each. Convert the following textual description to an entity-relationship iagram in UML notation. Please spend time differentiating between entities, attributes, relationships and alues of attributes. If you are identifying a strong entity - make sure you identify a primary key for it. Tou are not required to use superclass/subclass hierarchy for any of these problems, but may choose to do 0 if you wish. 1. A book has a title, an ISBN number (a unique international book number), a publisher, a language it was written in, the total number of pages and an author's name. 2. A book has a title, an ISBN number, a publisher, a language it was written in, and the total number of pages. An author has a name and a place of origin. An author writes a book. A book is written by one author and an author writes 1 to many books. 3. A book has a title, an ISBN number, a language it was written in, and the total number of pages. An author has a name and a place of origin. A publisher has a name, a city and a country. A book is written by 1 to many authors. A publisher releases a book. A publisher can release 1 to many books but a book is released by one publisher. 4. A television set has a unique serial number and is associated with a specific manufacturer and a model for that manufacturer. Each television set is associated with exactly 1 manufacturer and 1 model for that manufacturer. A manufacturer has a unique name. A manufacturer can produce 1 to many television models. A model name is unique for a specific manufacturer but is not unique across all manufacturers. A model name is associated with at least 1 manufacturer. 5. A television set has a unique serial number and is associated with a specific manufacturer and a model for that manufacturer. Each television set is associated with exactly 1 manufacturer and 1 model for that manufacturer. A manufacturer has a unique name. A manufacturer can produce 1 to many television models. A model does not have a unique name but is associated with at least 1 manufacturer. An electronic store has a unique name and a unique address that consists of a street number, street address, town, state and zip code. A store stocks 1 to many television sets but a television set can only be found at 1 and only 1 store. 6. A television set has a unique serial number and is associated with a specific manufacturer and a model for that manufacturer. Each television set is associated with exactly 1 manufacturer and 1 model for that manufacturer. A manufacturer has a unique name. A manufacturer can produce 1 to many television models. A model does not have a unique name but is associated with at least 1 manufacturer. An electronic store has a unique name and a unique address that consists of a street number, street address, town, state and zip code. A store stocks 1 to many television sets but a television set can only be found at 1 and only 1 store. A customer consists of a name, and a unique credit card number. A customer buys a television set at a store. A television can be bought by at most one customer but a customer may buy 0 to many television sets