124. Segments that transcend national borders exist in certain ____ markets, but are rare in ____ markets.

A) consumer; industrial

B) service; industrial

C) industrial; consumer

D) consumer; service

125. The effectiveness of a firm's international communication can be jeopardized by three potentially critical variables. These are

A) technological barriers, geographic barriers, and political barriers.

B) economic factors, political-legal barriers, and noise levels.

C) technological factors, source effects, and noise levels.

D) cultural barriers, source effects, and noise levels.