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. Related Content Making Sense Of A Home Warranty Understanding the value of a home warranty. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.