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 Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Types of Stock Market Analysis Most stock market analysis falls into three broad groups: Fundamental, technical, and sentimental. Here’s a look at each. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases.