Identify an organization of your choice that currently operates a manual filing system. Give a brief description of the current system employed by the organization inclusive of its structure, strengths and weaknesses. Also, provide three to five arguments recommending the organization migration to a DBMS.

Provide the organization with three to five arguments for operating a database environment. Also, explain to the organization the role a database administrator will play in the organization when they migrate to a database management system.

Also, develop a model of the proposed database systems using the Entity Relationship (E-R) model for the organization showing all relationships. Ensure to label all relationships adequately, describing each relationship provided in ER diagram.

In addition, write in standard notation one table from your ER diagram utilizing two record.