Question Completion Status: P QUESTION 2 Knowing the following business rule: "Each president is responsible of one country, and each country is governed by one and only one president" choose the best solution to fix the provided ERD. PK PRESIDENT PRE ID PRE NAME PRE LNAME PRE AGE PRE CONTCAT COUNTRY is responsible PK COU_NUM for + COU CAPITAL COU_POPULATION COU LOCATION FKI PRE ID Create an associative entity between the president and country entities. Change the relationship line into one to one relationship. Place the foreign key "COU_NUM" in the president entity o keep the same ERD, no errors were observed. QUESTION 3 1 1. From the tables below, identify one example of primary key: Employes EXIP ID 4327299 EXP FNAME Sara EMP LNASTE EXIP EMAIL harbis company sa EMP HIRE DATE 12-09.2016 DEPT CODE ACCT