You Quote a Price to a Broker

Multiple Choice

You quote a price to a broker. It is hit by another bank, but you are not informed until some time afterward that the deal has been done. Who is to blame?

A) You are, as it is your responsibility to check periodically that the price has not been dealt upon.
B) The broker is, as he must immediately tell you that your price has been dealt upon.
C) The other bank is, since it did not immediately seek confirmation.
D) All the parties, particularly you and the other bank.