The Pinewire Company Is a Renowned Electronics Company That Usually

The Pinewire Company is a renowned electronics company that usually sells its products like laptops,telephones,and MP3 players,through dedicated dealers.Sonic Shack,an audio equipment retailer,signs an agreement with Pinewire which gives Sonic permission to sell the products provided that Pinewire products get superior display,shelf space,and promotion compared to competing products.The agreement also requires that Sonic sell other non-audio Pinewire products at its store.Which of the following types of marketing systems do Pinewire and Sonic have?

A) administered vertical marketing system
B) corporate vertical marketing system
C) direct marketing system
D) contractual vertical marketing system
E) horizontal marketing system