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.

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."