The Fox Entertainment Group Counts Among Its Assets a Thriving

The Fox Entertainment Group counts among its assets a thriving TV production unit,a Hollywood movie studio,many TV stations,a half-dozen national cable networks,and almost two dozen regional sports networks.Since most of the shows produced at its TV production unit and many of the movies made at its studio are only televised on its cable TV networks,Fox Entertainment Group is an example of a(n)

A) corporate vertical marketing system.
B) integrated marketing system.
C) contractual vertical marketing system.
D) corporate horizontal marketing system.
E) contractual horizontal marketing system.