Which of the Following Is an Example of a Primary

Which of the following is an example of a primary boycott in breach of s 45 of the Competition and Consumer Act 2010 (Cth) ?

A) The sole manufacturer of a product refuses to sell it other than at an excessively high price.
B) A corporation acquires the assets of its only competitor in a market.
C) A corporation requires purchasers of its products not to acquire goods from or supply goods to a competitor.
D) Two corporations agree to refuse to acquire the goods of a third corporation.