Which of the Following Is a Definition of a Decision-Making

Multiple Choice

Which of the following is a definition of a decision-making unit (DMU) ? 

A)  All those individuals and groups external to the purchasing decision-making process. 
B)  All those individuals and groups who participate in the purchasing decision-making process, who share some common goals and the risks arising from the decisions (identical to buying centre) . 
C)  All those individuals and groups who supply the organization. 
D)  All those individuals and groups who participate in the purchasing decision-making process but do not share its risks.