Use the figure below showing the tables in a database to answer the questions below Table name: EMPLOYEE EMP_CODE EMP_LNAME JOB CODE Table name: BENEFIT EMP CODE PLAN CODE 14 Rucdell 15 McDade 16 Ruellardo 17 Smith 20 Smith 17 17 17 20 Table name: JOB Table name: PLAN JOB CODE JOB DESCRIPTION PLAN.CODE PLAN. DESCRIPTION 1Clerical 2 Technical 3 Managerial 1 Term life 2 Stock purchase 3 Long-term disabilit 4 Dental 2. Do the tables exhibit entity integrity? Answer yes or no and then explain your answer. TABLE EMPLOYEE ENTITY INTEGRITY EXPLANATION BENEFIT JOB PLAN 3. Do the tables exhibit referential integrity? Answer yes or no and then explain your answer. Write NA (Not Applicable) if the table does not have a foreign key. TABLE EMPLOYEE REFERENTIAL INTEGRITY EXPLANATION BENEFIT JOB PLAN 4. Create a basic Crow's Foot ERD to show the relationships among the EMPLOYEE, BENEFIT, JOB and PLAN tables