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 Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. What Smart Investors Know Savvy investors take the time to separate emotion from fact. Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage.