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 The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you.