a) Why are Pivot Tables are so widely used? (4 marks) b) Consider that you have a spreadsheet containing the below information: EMPLOYEE-ID COUNTRY OF ORIGIN DEPT JOB TITLE JOB LEVEL QUALIFICATION MARITAL STATUS SALARY XQ LEVEL c) What are eight (8) appropriate report layouts that you can extract using Pivot Table. For each layout, you are required to show a draft of how the report look like. (8 marks) d) In a Pivot Table, besides showing all the fields, there are 4 quadrants. List out these quadrants and state briefly their purposes (4 marks)