Trade-offs may occur among the six sources of competitive advantage. Managers should realize that ______.
a. to be innovative, a company must cut down on its quality and its service if one of the sources takes priority,
b. the other sources will need to receive fewer resources and attention
c. cost competitiveness will always cause quality to suffer
d. this doesn't need to be a zero-sum game where one source has to suffer at the expense of another