Which of the Following Is Not a Tactical Level Purchasing

Multiple Choice

Which of the following is not a tactical level purchasing decision? 

A)  Introducing a cross-functional, cross-business category sourcing structure in the company. 
B)  Agreement on corporate or annual supplier framework agreements. 
C)  Troubleshooting: solving daily problems on quality, supply and payment in the relationship with the supplier. 
D)  Selection and contracting of suppliers.