Autodesk, , ( 16 2010 .) , . , . 50% . (, AutoCAD 2007 AutoCAD 2010), cross-grade - (, AutoCAD Revit Architecture). , AutoCAD 2010 ( ) $3975. AutoCAD 2009 $595, 2008 - $1195, 2007 - $1795. ( ) - $1987.5. , (66%). Autodesk - ( ), - AutoCAD 2010 - $450. , Autodesk - - - .