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 Gap Insurance for Leased Cars If you’re thinking of leasing a new car, then you shouldn’t forget about gap insurance. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources.