Which of the following statements about ERP systems is BEST?

A company must adapt their ERP system to their existing processes in order for all employees to gain a benefit from the new system.

ERP systems written in XML require complete replacements of a company's legacy systems.

Recent studies have shown that the most successful ERP implementations use standardized systems.

An ERP system requires a regular synchronization of all of the module databases, which is usually accomplished automatically when the business is not conducting business.