单项选择题
A.内部欺诈 B.失职违规 C.核心雇员流失 D.知识/技能匮乏
A.交割失误 B.歧视员工 C.模型错误 D.自然灾害
A.18%,18% B.15%,12% C.12%,18% D.15%,18%