License Fee for each of the Products:
  
  20 User License - $1,600 / Yr
  30 User License - $2,400 / Yr
  40 User License - $3,200 / Yr
  50 User License - $4,000 / Yr 

  License fee for On-Line Tutor ( Math Tutor1, Math Tutor 3, Math Tutor 5, .... )
  $3,000 / year for a 20 user license