In New South Wales Can a purchaser cool-off in the following circumstances? Justify your answer by referring to the relevant section of the legislation.

a) P signs two contracts for two factory sites next door to each other, the prices being $139,000 and $225,000 respectively.

b) P signs a contract of sale to purchase a flat for $169,000. P seeks the advice of his Conveyancer who advises 'sure, go ahead and sign it - you've got three days to cool-off anyway'.