Peter, an assistant manager, exhibits a distinct lack of emotional involvement with his colleagues and subordinates. His entire focus is on achieving the goals he sets, no matter what course he has to take to get there. These traits lead an observer to conclude that Peter ________.

a. is high in Machiavellianism.

b. is high in self-monitoring.

c. has low self-esteem.

d. has an internal locus of control.