The 
Scenario Chart for Mortgage Interest Rate shows you what the interest rate on the mortgage is in a Scenario.
Here is an example of buying rental properties, but where the mortgage interest rate has been changing over time so each one has a different mortgage interest rate. This is really a Chart of Mortgage Interest Rate for 
Properties and not for the whole Scenario.
Additional Information About Scenario Charts
If you’re interested in learning more about the Scenario Charts in the Real Estate Financial Planner™ check out these resources below.