17. Switch to the EmployeeBenefits worksheet. Add a Total Row to the EmployeeBenefits table. Using the total row, add the following calculations to the table: a. In cell I102, use the AVERAGE function to determine the average of the Current Salary column values. b. In cell L102, use the AVERAGE function to determine the average of the Age column values. c. In cell M102, use the AVERAGE function to determine the average of the Years Service column values. d. In cell Q102, remove any calculation associated with the Vision Plan Costs column. Change the text in cell A102 to read Average. How do I change he text in cell A102 to read Average?