Considering the social network in Figure 1, a. find the actor(s) with the highest degree centrality b. find the actor(s) with the highest closeness centrality c. find the actor(s) with the highest betweeness centrality d. Does the actor(s) with the highest degree centrality also have the highest betweeness centrality? If not, what do these two centrality measures tell you about the prominence of these actors? e. If the ties are the email exchange relationships between actors, which centrality measure would you pick to identify the important actor(s)?

Iigure 1. sorial notwork N={n1,n2,n3,n15}