PT 8 S3 Q9

Gray marketing, the selling of trademarked products through channels of ... ...

Which one of the following does the author offer as an argument against gray marketing?
(A) Manufacturers find it difficult to monitor the effectiveness of promotional efforts made on behalf of products that are gray marketed.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Government & Economics Mix 2