(A) It describes an exceptional case in which investment in service actually failed to produce a competitive advantage.
(B) It illustrates the pitfalls of choosing to invest in service at a time when investment is needed more urgently in another area.
(C) It demonstrates the kind of analysis that managers apply when they choose one kind of service investment over another
(D) It supports the argument that investments in certain aspects of service are more advantageous than investments in other aspects of service.
(E) It provides an example of the point about investment in service made in the first paragraph.
6. The author uses the word "only" in line 23 most likely in order to
(A) highlight the oddity of the service improvement
(B) emphasize the relatively low value of the investment in service improvement
(C) distinguish the primary attribute of the service improvement from secondary attributes
(D) single out a certain merit of the service improvement from other merits
(E) point out the limited duration of the actual service improvement