Given Its Size and Industry Influence,Walmart Would Be a Powerful

Given its size and industry influence,Walmart would be a powerful buyer.Which of the following is NOT an indication of Walmart's strength as a buyer?

A) Three suppliers merge together to gain economy of scale.
B) Suppliers locate very near Walmart's corporate headquarters.
C) Walmart switches from Rubbermaid to another vendor for containers.
D) Walmart decides to start manufacturing its own clothes to sell.