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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retirement Planning With Your Special Needs Child in Mind Having a special needs child adds another layer of complexity to retirement planning. A special needs trust may help. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference?