At Southeastern College, students in the School of Engineering pay tuition that is 50% higher than that of other students. The administration believes the cost is justified, as the materials and classrooms necessary for the engineering program cost more than that of other programs. Historically, 25% of students at Southeastern have been enrolled in the School of Engineering. This year, however, only 15% of students were engineering students.
Which of the following can be inferred from the above passage?