Time-Money Exchange Rate Calculator  
  Average Hours Worked Per Week    
  Number of Work Weeks Per Year    
  Hours Worked Per Year    
  Gross Income Per Year    
  Basic Overhead Per Year    
  Net Income    
  Pre-Tax Hourly Rate    
  Income Tax    
  After-Tax income    
  Average After-Tax Value of Time Worked ($/h)    
  Trying To Earn More To Spend More    
  Amount More You Want To Spend    
  Number of Extra Hours You Need To Work To Do That