Computer Whiz Pty Ltd (Computer) has four directors. Charlie is one of the directors. Computers constitution provides that all transactions over $5,000 need to be approved by a majority of directors.

Charlie enters into a contract for $7,000 with Simone to take photos to update the company website. Simone sends the bill to Computer who are refusing to pay on the basis they never authorised the contract.

Advise Simone as to which statutory assumptions in the Corporations Act 2001 (Cth) she can rely on?