Internal information systems that include ______ would better enable the effective execution a company's strategies and value-creating processes.

a. continuous access to social networks.

b. TQM, reengineering, and Six Sigma programs.

c. customer data, employee data, supplier/partner data, operations data, and financial performance data.

d. monetary and nonmonetary reward systems.

e. activity-based cost accounting, benchmarking, and best practices.