acca f1里有关fraud的问题Which of the following internal controls might _英语解答

acca f1里有关fraud的问题
Which of the following internal controls might be least effective in preventing fraud,if staff are in
collusion with customers?
A Physical security
B Requiring signatures to confirm receipt of goods or services
C Sequential numbering of transaction documents
D Authorisation policies
这道题为什么选B?我认为B才是最有效的方法啊,为什么成了最没有效的.

人气：317 ℃　时间：2020-06-23 01:41:46

解答

Please pay attention to 'if stall are in collusion with customers'.
So the customers are not reliable and independent third parties.