Which View of Purchasing Is Described in the Following Statement??Management

Multiple Choice

Which view of purchasing is described in the following statement??Management becomes aware that pressing suppliers for low prices has its drawbacks and may lead to sub-optimization.

A)  Purchasing as an operational, administrative activity. 
B)  Purchasing as a commercial activity. 
C)  Purchasing as part of integrated logistics 
D)  Purchasing as a strategic business area.