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 | Related Content The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table. Video: The Independence of Financial and Emotional Greater financial and emotional confidence brings greater independence. Isn’t that what it’s all about? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.