A breathalyzer or breathalyser (a portmanteau of breath and analyzer/analyser) is a device for estimating blood alcohol content (BAC) from a breath sample. Breathalyzer is the brand name for the instrument that tests the alcohol level developed by inventor Robert Frank Borkenstein. It was registered as a trademark on May 13, 1954, but many people use the term to refer to any generic device for estimating blood alcohol content.
The deadline to file your federal taxes is coming up, and this year Americans will spend more than 7 billion hours preparing their taxes and will hand over more than four trillion dollars to federal, state and local governments.
Step Two: Prepare the Tax Returns or Hire a Tax Professional Be sure to use reliable and easy-to-use software if you're going to prepare your tax returns yourself. Plan on spending about two to three hours on each tax return you need to file. You might do better with an experienced tax professional, however, because he can help you deal with the IRS. The best way to find a tax pro is to ask your friends.