Bob Wilkes Shoes Horses for a Living

Multiple Choice

Bob Wilkes shoes horses for a living.He has a large list of customers who often ask him for unusual features such as "Is there any sort of shock absorbers available for horses?" To answer these questions,he subscribes to American Farriers Journal and stores all of his previous issues so he can use them as reference material.The way Wilkes uses this publication demonstrates which of the following advantages of magazines?

A) Geographic selectivity
B) Creative flexibility
C) Prestige
D) Permanence
E) Services