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 Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle. Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. The Ivory Tower Changes Wall Street Thanks to the work of three economists, we have a better understanding of what determines an asset’s price.