Managing the Consumption of Services Organization-Wide

Managing the consumption of services organization-wide:

A) is easy because organization-wide services spend data is readily accessible.
B) is of little concern because annual spend for services is declining in most organizations.
C) is easy because forecasting aggregate demand for services is typically more reliable than forecasting demand for goods.
D) is easy because supply management has historically had responsibility for managing services spend.
E) is difficult because multiple contracts may exist at varying prices and terms with the same suppliers.