which of the following is not an action that a company can take to do a better job than its rivals of performing value chain activities more cost-effectively?
A. Striving to capture all available economies of scale
B. Trying to operate facilities at full capacity
C. Taking full advantage of experience and learing curve effects
D. Improving supply chain efficiency
E. Redesigning products to eliminete features that might have market appeal, but excessively increase production costs