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 Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. Finding the Balance The sandwich generation faces unique challenges. For many, meeting needs is a matter of finding a balance.