The person who operates at the _____ level of moral development would adhere to the Golden Rule of Selling. Marketing Chapter 3 The person who operates at the _____ level of moral development would adhere to the Golden Rule of Selling. A. intentional. B. principled. C. conventional. D. discretionary. E. preconventional. Answer: B. principled. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+