draw a conceptual model. 3. The Bismark Community School (BCS) offers a variety of classes. BCS keeps track of the classes it offers as well as its teachers and students. Attributes of class include BCSClassNumber, BCSStartDate, BCSEndDate, BCSStart Time, and BCSTuition. Attributes of teacher include BCSTeacherNumber, BCSTeacherName (composed of FirstName, MiddleInitial, and LastName), BCSSalaryPerClass, and BCSSkills. Many teachers have more than one skill. Attributes of student include BCSStudentNumber, BCSStudentName (composed of FirstName, MiddleInitial, and LastName), BCSStudentAddress (composed of Street, City, State, and ZipCode), BCSDateOfBirth, and BCSAge. Students can take more than one class, but must take at least one class. Each class can have multiple students, but must have at least one student. A single teacher teaches each class, and teachers can teach multiple classes.