This is the first of a series of lessons dealing with issues concerning how a corporation raises the money it needs to operate its business. This lesson focuses on the types of securities a corporation may issue (debt and equity) and the reasons it may choose one or the other. The lesson also introduces students to the difference between common and preferred shares and identifies differences in the approaches of Delaware and of the Model Business Corporation Act. After completing the lesson, the student should know: 1. What a corporate security is; 2.