Number of patents or innovation
• Income per R&D expense
• Cost of patent maintenance
• Project life-cycle cost per dollar
of sales
• The number of individual
computer links to the data base
• The number of times the data
base has been consulted
• Contributions to the data base
• Upgrades of the data base
• Volume of IS use and
connections
• Cost of IS per sales dollar
• Income per dollar of IS expense