Micromedia offer computer training seminars on a variety of topics, where each student works at a personal computer, practicing the particular activity that the trainer is presenting. Micromedia are currently planning a 2-day seminar on the use of the Microsoft Excel in the statistical analysis. The projected fee for the seminar is $600 per student. The cost for the conference room, lab assistants, instructor compensation, and the promotion is $9,600. Micromedia rent computers for its seminars at a cost of $60 per computer per day. Let the number of students enrolled be represented by the "X". Evaluate a valid mathematical expression for total revenues in this problem?