Ineffective peer review includes which of the following?

-a careful reading of another's work paying attention to both higher-order & lower-order concerns
-a concern of providing constructive criticism
-the willingness to thoughtfully engage another's ideas
-a discussion about another's idea

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?