Which of the Following Would Tend to Reduce the Bargaining

Short Answer

Which of the following would tend to reduce the bargaining power of suppliers?
a. Dominance of the supplier industry by a few firms.
b. Suppliers provide unique, differentiated products with few or no substitutes.
c. Focal firm is not an important customer.
d. Unwillingness and inability of suppliers to integrate forward.
e. None of the above.