In New South Wales,which of the Following Statements Is Not

In New South Wales,which of the following statements is not true in relation to the cooling- off period in the conveyancing process?

A) Purchasers have 5 days to rescind from the date of the exchange.
B) Purchasers have 7 days to rescind from the date of the exchange.
C) There is no cooling- off period if the property is sold at auction.
D) Purchasers may rescind during the cooling- off period but they must pay 0.25% of the purchase price.