Which of the Following Statements Is Not Correct? When Implementing

Which of the following statements is not correct? When implementing Repos open market operations the Reserve Bank of Australia (RBA) :

A) announces before the auction the interest rate that banks have to pay to acquire ESF.
B) usually buys securities from banks with the commitment to resell them at an agreed later date.
C) serves the banks with the best interest rates in their bids until the exhaustion of the amount of ESF it intended to inject in the banking sector.
D) invites banks to bid to acquire ESF.