Capital adequacy requirement in a bank is: Select one: O a. the maintenance of adequate levels of capital to enable the bank to continue to operate in the event of unanticipated losses or problems. O b. the maintenance of adequate levels of capital to enable the bank to meet depositors' withdrawal. O c. the maintenance of adequate levels of capital to enable the bank to withstand external shocks. O d. the maintenance of adequate levels of capital to enable the bank to merge or acquire another bank