You have created a PivotTable and make some changes to the cells underlying the PivotTable. How can you update the information in the Pivot Table? Select one: a. Once created, Pivot Tables cannot be updated. O b. Click the cell(s) you changed, and then use the Refresh Pivot Table command. Oc. PivotTables are automatically updated once you alter the data. d. Click the PivotTable, and then use the Refresh command.