You use the Scenario Manager—Combined Scenarios tab to create combined scenarios. See Creating Combined Scenarios for rules.
To create combined scenarios:
Select Analysis, then What if ...? Analysis, then Scenario Manager.
In Available Scenarios, select a scenario and click >> to add it to Selected Scenarios.
Repeat for each scenario.
Optional: Select Warn about Overlapping Accounts to receive warnings with overlapping accounts between scenarios.
Optional: Use the up and down arrow buttons to reorder the scenarios in Selected Scenarios.
Follow these rules: