Little Donald schools his teacher. Little Donald's 6th grade teacher asked kids to demonstrate ""salesmanship skills"" over the weekend and report back on Monday morning. Monday morning in class, Little Sally started: ""I sold girl scout cookies and I made $30. My sales approach was to appeal to the customer's civil spirit and I credit that approach for my obvious success."" ""Very good,"" said the teacher. Little Jenny was next: ""I sold magazines,"" she said, ""I made $45 and I explained to ev…