Parking for Travelers Flying Out of Hartsfield-Jackson International Airport in Atlanta

Parking for travelers flying out of Hartsfield-Jackson International Airport in Atlanta is difficult,even for those who have the time to look.For those arriving at the airport with only time enough to catch their flight,parking was truly a nightmare until the development of the GoldParker System,which guarantees a convenient parking place to its members.The system is extremely popular among business travelers and works just as advertised.By instituting the GoldParker System,Hartsfield's management has _______ to manage customer expectations.

A) Made realistic promises
B) Created effective horizontal communication
C) Offered a service guarantee
D) Engaged in public relations
E) Created a tiered-value service offering