Which of the following is true of an exclusive dealing arrangement between a producer and a dealer?

a)It can be considered illegal if it increases competition substantially.

b)It prevents the producer from using any other dealer to sell its products regardless of geographical area.

c)It does not allow other producers to sell to that dealer.

d)It prohibits the producer from selling outside the dealer's territory.

e)It gives the producer's products more shelf power compared to a competitor's products being sold by the dealer.