Scott Bought a Widget from Gowhara

Scott bought a widget from Gowhara. The price was $10 000. He paid with a cheque that he had drawn on his account at the Bank of Kamloops. Scott had the cheque certified before he gave it to Gowhara. In fact, Scott's account balance was only $8000. When he discovered that fact, he went to the bank and gave instructions to have the cheque countermanded. Which of the following statements is TRUE?

A) The Bank of Kamloops is required to pay Gowhara $8000.
B) The Bank of Kamloops is required to pay Gowhara $10 000.
C) Scott is entitled to countermand the cheque because it had been certified at his request, rather than at Gowhara's request.
D) Because the Bank certified the cheque, it must pay $10 000 to Gowhara even though Scott ultimately will have to provide only $8000 to the Bank.
E) Regardless of certification, it is impossible to countermand a cheque that has been written on an overdrawn account.