When Calculating Industry Attractiveness Scores,to Produce a Valid Response It

When calculating industry attractiveness scores,to produce a valid response it is necessary to

A) master the ability to hurdle barriers to entry,value chain attractiveness,and business risk.
B) calculate the cost reduction potential,customer satisfaction potential,and comparisons of annual cash flows from operations
C) enumerate the relative number of competitive capabilities,the number of products in each business's product line,which businesses have the highest/lowest market shares,and which businesses earn the highest/lowest profits before taxes.
D) employ outside analysts to make an educated guess if the available information is skimpy.
E) ensure the appropriate weights are assigned to each measure and that the preparer has sufficient knowledge to rate the industry on each attractiveness measure.