Before attempting the exercise, click hereopens in a new tab to watch a short video. Net promoter score (NPS) is Part 2 A. % of Detractor scores. B. any score that averages 9 or 10. C. % of Promoter scores plus % of Detractor scores. D. average score after discarding the top and bottom 10%. E. % of Promoter score minus % of Detractor scores