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 Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. The History of Currency Currency has been around for a long time. Here’s a quick history lesson. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.