What Is an Advantage That a Sales Force Consisting of Local

What is an advantage that a sales force consisting of local nationals is likely to have over a sales force of expatriates?

A) They are more efficient in communicating with and influencing headquarters' personnel.
B) They cost the firm less to maintain.
C) They add more to the prestige of the product line in the eyes of foreign customers.
D) They have greater technical expertise.
E) They are less likely to accept any form of bribe.