If someone could show me how to create ERD'S for this

3. Draw E-R diagram for each of the following situations (if you believe that you an need to make additional assumptions, clearly state them for each situation): a. A company has a number of employees. The attributes of EMPLOYEE include Employee _ID (identifier), Name, Address, and Birthdate. The company also has several projects. Attributes of PROJECT include Project_ID (identifier), Project_Name, and Start_Date. Each employee may be assigned to one or more projects, or may not be assigned to a project. A project must have at least one employee assigned, and may have any number of employees assigned. An employee's billing rate may vary by project, and the company wishes to record the applicable billing rate (Billing Rate) for each employee when assigned to a par- ticular project