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 Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. Understanding Homeowners Insurance Purchasing homeowners insurance is critical for protecting your home. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents.