Calculating Competitive Strength Ratings for a Company and Comparing Them

Calculating competitive strength ratings for a company and comparing them against strength ratings for its key competitors helps indicate

A) which weaknesses and vulnerabilities of competitors the company might be able to attack successfully.
B) which competitors are in profitable strategic groups and which competitors are in unprofitable strategic groups.
C) which competitors are employing offensive strategies and which competitors are employing defensive strategies.
D) which competitors are likely to make money and which are likely to lose money in the years ahead.
E) what the industry's key success factors are.