9, World-class businesses use which of these systems to integrate all of a companys worldwide functions, departments, and data into a single system? a. Cost standards C. Justin-time management b. Enterprise resource planning d. Items a, b, and care correct. 10. "s environment by Todays business is characterized c. a shift toward a service economy a , global competition. d. Items a, b, and c are correct. b, time-based competition