You have been asked to design a database system for a Video Rental Store. The information about the database system is given as follows:

- The video rental company has several branches throughout the country. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Each branch is given a branch number, which is unique throughout the company.

- Each branch is allocated staff, which includes a Manager. The Manager is responsible for the day-today running of a given branch. The data held on a member of staff his or her name, position, and salary. Each member of staff member of staff is giver a staff number, which is unique throughout the company.

- Each branch has a stock of videos. The data held on a video is the catalog number, video number, title, category, daily rental, cost, status, and the names of the main actors, and the director.

- The catalog number uniquely identifies each video. However, in most cases, there are several copies of each video at a branch, and the individual copies are identified using the video number. A video is giver a category such as Action, Adult, Children, Drama, Horror, or Sci-Fi. The status indicates whether a specific copy of a video is available for rent.

- Before renting a video from the company, a customer must first register as a member of a local branch. The data held on a member is the first and last name, address, and the date that the member registered at a branch. Each member is given a member number, which is unique throughout all branches of the company. Once registered, a member is free to rent videos, up to maximum of ten at any one time.

- The data held on each video rented is the rental number, the full name and number of the member, the video number, title, and daily rental, and the dates the video is rented out and data returned. The rental number is unique throughout the company.

Dran an ER diagram in next page including necessary entities, relationships, and attributes for this database. Specify the primary key for each entity and cardinality ratio and participation constraints on each relationship. State clearly if you make any assumptions about the hospital.