Question 5 (Relational Algebra - Single Answer Multiple Choice Question) - 10 marks Write down the correct option ( a,b,c, or d ) in the provided answer sheet. There is only ONE correct answer. 5 marks will be awarded for the second-best answer. Consider the tables below, where the primary keys are underlined, and foreign keys are printed in italic. INSPECTNR INSPERTINR Which one of the following relational algebra expressions answers the following query? "Display the apartment numbers and the manager name of the building where the apartments are located. Only list the apartments that are located in buildings with f level or more." Which one of the following relational algebra expressions answers the following query? "Display the apartment numbers and the manager name of the building where the apartments are located. Only list the apartments that are located in buildings with 4 level or more." (a) AptNo,MFName,MLName, (APARTMENT) D1 Buildingo = Buildingio (aNoomioor> 4) (BUILDING) D aManagerio = Managerio (MANAGER) AptNo,MFName,MiName,(APARTMENT)Dsuildingio auldingio ( aNooflooere Managerio (MANAGER) 4) (BUILDING) D]ulabdingib-Buadwo (BUILDING) aManageilo - mansento (MANAGER)