Principles of Preserving Wealth The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.