What is a benefit of using the Common Data Model, and who can manage the model?

HOTSPOT

A company uses one system for sales and one system for order management. When quotes are accepted in the sales system, the customer and order are reentered into the order management system.

What is a benefit of using the Common Data Model, and who can manage the model? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.