Tarice Is a Licensed Auctioneer in Western Australia

Tarice is a licensed auctioneer in Western Australia.While she was auctioning Bryce's house she accepted two bids from a person she knew was Bryce's uncle and not a genuine bidder.Which statement or statements are most accurate in relation to Tarice's legal obligations?

A) She has not breached specific WA legislation for the regulation of real estate selling practices because dummy bidding is not legal in WA.
B) She appears to have breached the Australian Consumer Law by engaging in deceptive and misleading conduct.
C) She has not breached any laws.However,her vendor may be liable for a breach of her prospective contract with any purchaser who buys the property at the auction.
D) She appears to have breached specific WA legislation for the regulation of real estate selling practices because dummy bidding is illegal in WA.
E) A and B only.