Management homework

have management homework, And I need someone help me with it. I just want 200 words to answer this question no more than that. And  I need you to use easy vocabulary.

"Goals that are overly ambitious can discourage employees and decrease motivation, yet the idea of stretch goals is proposed as a way to get people fired up and motivated. As a manager, how might you decide where to draw the line between a “good” stretch goal and a “bad” one that is unrealistic?"

(adapted from the discussion questions in chapters 7 and 9).