​Vertical contracts can also be seen as

A) ​An increase in coordination between firms producing complementary goods
B) An increase in competition among firms producing complementary goods
C) An increase in coordination between firms producing substitute goods
D) ​An increase in competition between firms producing substitute goods

Cars and Cars sells rebuilt parts to repair shops.Allan is Cars and Cars' agent in Smallville.He is paid a commission,but also has a quota to meet.Cars and Cars appoints a second agent,Amanda,in Smallville.This makes it difficult for Allan to meet his quota and also reduces his commissions.Discuss if Cars and Cars has violated any duty it owes Allan.