One of the lessons from the 2007-2009 financial crisis regarding the management of risk by financial institution is that: Select one: a. many of the usual mechanisms for managing liquidity risk actually worked pretty well. b. many banks lacked real-time information that would allow them to assess their various risk exposures at the bank-wide level. c. banks were holding too much capital as a protection against market risk. d. some banks, especially large ones, overestimated the trading risk associated with mortgage backed securities.