In the MRKT1199, Introduction to Marketing classes for the summer semester, it is the time of the term when markup/margin math hits the schedule. These are fundamental calculations that every marketer needs to master, and yet can cause a lot of headaches for students.
Many, many years ago my office partner at St. Clair College in Windsor, ON taught me this little mnemonic to help me teach the concepts. Check out Markup & Margin Math – A video tutorial to see his work.
Kwantlen Polytechnic University 