问题详情

Whyshouldbanksneedtoestablishformaloperatingprocedures？
A．Thesupervisoryauthoritiesrequirethemtodoso.
B．Theshareholdersexpectareasonablereturnontheirinvestment.
C．Thebankshavetokeepsafelargevolumeofmonetaryitemsraisedfromallsources.
D．Thebanksengageinalargevolumeandvarietyoftransactions.

请帮忙给出正确答案和分析，谢谢！