In which one of the following situations is goal-setting theory likely to be most effective A. Margaret's supervisor told her what her goals would be for the coming year. Margaret believes the goals are a bit challenging. B. Marci hasn't heard a peep from her supervisor since she agreed on her goals for the year, despite submitting progress reports. C. When Bill and his boss set his goals for the coming year, Bill was elated that they were not going to be difficult to achieve. D. Boyd keeps track of his progress toward the goals he set with his manager. E. Melinda's boss congratulated her on a job well done during the past year and encouraged her to keep up the good work.