Which of the Following Ways Are Employed by Defending Companies

Which of the following ways are employed by defending companies to fend off a competitive attack?

A) Excluding volume discounts or avoiding better financing terms in order to maintain current profitability levels
B) Avoiding a competitor's clients because their loyalty will not allow them to switch
C) Adhering to current product features and models to ensure that resources are not diverted toward unproductive efforts
D) Trimming the length of warranties to save money
E) Gaining product line exclusivity to force competitors to use other distributors