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. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. Can Group, Private Disability Policies Work Together? Loss of income from disability has the potential to cause financial hardship. Disability insurance can help.