D. Mark Mendelson Mark has worked for 10 years in several departments {ail in creative units) at Performance Horizons. He likes to move around, he says. to keep from being bored. His coworkers say he does it so that he won't get entrenched in one spot or stuck with one way of doing things. He takes pride in his work, which is always top-class. And he frequently comes up with unusual ways of doing things. Mark is seldom in his ofce. He might be in the lat], the art room, or meeting with people in their offices. No one is quite sure how he does it. but his productivity is quite high. Mark rarely shows up at company events. He does like to send people electronic mail, though. on his new ideas. Mich two of the four motivates Mark the most? Need Why