Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.