Use the Relational algebra to retrieve the First names (Fname) and Salary of all employees in department 4 who work more than 10 hours per week on the ProductX project dGive the table result from each step. ΕMPLOYEE WORKS ON Fname Ssn Lname Salary Essn Pno Hours John 30000 123456789 333445555 Smith Wong Zelaya 123456789 32.5 Franklin 40000 123456789 7.5 Alicia 999887777 25000 666884444 40 jennifer 987654321 Wallace 43000 453453453 20 38000 666884444 453453453 987987987 888665555 Narayan English Ramesh 453453453 20 loyce Ahmad 25000 333445555 10 Jabbar 25000 333445555 10 James Borg 55000 333445555 10 10 333445555 20 10 PROJECT 999887777 30 30 Pname Pnumber Plocation Dnum 999887777 10 10 ProductX 1 Bellaire 987987987 10 35 ProductY 2 Sugarland 5. 987987987 30 987654321 30 20 Productz Houston 987654321 20 15 Computerization Reorganization 10 Stafford 4. B88665555 20 NULL 20 Houston Newbenefits 30 Stafford 4 DEPARTMENT Dnumber Mgr_ssn 333445555 987654321 888665555 Dname Research Administration Headquarters

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