One Disadvantage of Using Product Departmentalization Is That

One disadvantage of using product departmentalization is that:

A) decision making tends to become slower and more bureaucratic.
B) the performance of individual products or product groups becomes difficult to assess.
C) administrative costs rise because each department must have its own functional specialists.
D) all activities associated with one product or product group cannot be easily integrated and coordinated.
E) accountability of departments becomes very difficult to monitor.