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 Question Thank you! Oops! Related Content Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee. The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio.