Consider the schema below and specify the queries using relational algebra. Please submit the answers in PDF or Word to Canvas. EMPLOYEE Fname Lname SSN BirthDate Sex Salary SuperSSN DNo DEPARTMENT | DName | DNumber | MGRSSN | MGRStartDate PROJECT | PName PNumber PLocation Dnum | WORKS ON ESIN PNo Hours 1. Retrieve the names (first name, last name) of male employees whose department manager is Jim Benson. 2. Retrieve the names (first name, last name) of employees in department 5 who work more than 10 hours per week on the ProjectX' project. (5 is the department number.) 3. Retrieve the names (first name, last name) of employees who do not work on any project. 4. Retrieve the names (first name, last name) of employees in department 4 whose supervisor is Alice Karl. 5. Retrieve locations of projects that Ellie Collins works on