Rotter Garder Inc. is a large-scale paint manufacturer and is known for its wide range of decorative paint products and industrial coatings. In addition to making paints, the company also owns and operates the retail stores which sell its products. This is an example of a(n) ________ vertical marketing system.
A) administered
B) contractual
C) referent
D) corporate
E) regulated
Anwer: D