This browser version is no longer supported. Please upgrade to a supported browser.
http://marten.gustafson.pp.se/cost-of-software/
 
External
 
 
 
 
 
 
 
 
 Share
Sign in
File
Edit
View
Insert
Help
Accessibility
Debug
 
 
Unsaved changes to Drive
 
 
 
 
 
 
 
 
 
Accessibility
 
 
Comment only