World-class businesses use which of these systems to integrate all of a company's worldwide functions, departments, anddata into a single system? a. Cost standardsb. Enterprise resource planningc Just-in-time managementd. Items a, b, and c are correct

All items are correct.

Explanation:

A world-class company is one that uses several integrated factors to improve its activities and processes. Therefore, all alternatives are correct, as these companies stand out for their flexibility and ability to adapt to trends and capitalize on opportunities for their success in the market.

It is necessary that these companies adopt cost behavior patterns so that there is better control and management of the stability or instability of operating and commercial expenses when influenced by different internal and external events.

In order to meet organizational cost standards, an information system that integrates all organizational processes and data into a single system, called Enterprise Resource Planning, must be implemented in the company.

Finally, for better cost management and resource planning, it is the adoption of the just-in-time system, which is the way to produce according to demand, avoiding waste of the process, reducing inventories and making the product arrives at the right destination and at the right time, so that there is a maximum reduction of waste and a culture of continuous improvement is implemented.