Each year there are record quantities of people who do not file their tax return. The causes for non-filing vary from person to person but towards IRS when are had to have to file then there's no justify. If you receive a letter for non-filing here are a couple of steps to consider that will help you start the system. You require understand the very idea of marginal tax rate. From the very powerful concept. You're know about this, see this article again and investigation . proper research...