5 Smart Investing Principles 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 Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. How to Make Smart Debt Decisions Making smarter decisions about debt can help you reduce stress. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.