With Its Focus on Value-Creating Activities,the Value Chain

With its focus on value-creating activities,the value chain:

A) is an ideal tool for examining how a company delivers on its customer value proposition.
B) preserves cost structure advantages.
C) provides identification of customer differentiation shortfalls.
D) is a recognized method for classifying the relevant support activities that are relevant to operations tasks.
E) is crucial in understanding cost disadvantages and economies of scale and scope shortfalls.