Which of the following customer actions could be an indicator of money laundering? A BO Depositing $50,000 of registered stock into the account and directing that it be transferred into street name Buying a security in advance of the ex date and selling after the record date in order to receive a cash dividend B uying and selling the same security over a short period of time, incurring significant commission costs Buying a security and selling short an equivalent convertible security to lock in a price difference C D