Maddox, a division of Stanley Enterprises, currently performs computer services for various departments of the firm. One of the services has created a number of operating problems, and management is exploring whether to outsource the service to a consultant. Variable and fixed operating costs total $100,000 and $50,000, respectively. In addition, Stanley allocates $20,000 of corporate administrative overhead to Maddox. If Maddox were to use the outside consultant, fixed operating costs would be reduced by 70%. 24. The irrelevant costs in Maddox's outsourcing decision total: 25. The relevant costs in Maddox's outsourcing decision total