Which of the Following Statements Describes the Most Significant Distinction

Which of the following statements describes the most significant distinction between a corporate vertical marketing system and an administered vertical marketing system?

A) Administered vertical marketing systems achieve coordination at successive stages of production and distribution by the size and influence of one channel member rather than through ownership.
B) Administered vertical marketing systems gain power through ownership while vertical marketing systems gain power through corporate agreement.
C) Administered vertical marketing systems gain power through size and influence of one channel member and ownership.
D) Administered vertical marketing systems gain power through contractual agreement and ownership.