Work should be performed by an individual if $.$

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A$)$ the work is complex and requires different perspectives

$8)$ the worlc creates a common purpose or set of goals for the ptople in the group that is more than theaggregate of individual goals

C$)$ the work is simple and doesnot require diverse input

D$)$ several tasks that are interdependent arc to be pcrfonned to complete the work

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