Which of the Following Statements About Major Installations Is True

Which of the following statements about major installations is true?

A) Personal selling or account management is the dominant promotional tool.
B) Initial price, distribution, and advertising play lesser roles.
C) Only economic factors matter as buying motives.
D) All of the answer choices.
E) Both personal selling or account management is the dominant promotional tool and initial price, distribution, and advertising play lesser roles.