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 Message Thank you! Oops! Related Content Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.