CHAPTER 8 QUIZ 78 The Huck Printing Co. had sales of $10 million, Operating Income of $3 million; Aftertax income of $1 million; assets of $8 million; Stockholders' equity of $5 million; and a total debt of $3 million. What is Huck's profit margin? A) 10.0% B) 20.0% C) 30.0% D) 33.0%