Computer Science homework help. The Housekeeping Service department of Ruger Clinic, a multispecialty practice in Toledo, Ohio, had $100,000 in direct costs in 2007. These costs must be allocated to Rugers three revenue-producing patient services departments using the direct method. Two cost drivers are under consideration: patient services revenue and hours of housekeeping services used. The patient services departments generated $5 million in total revenues in 2007, and to support these clinical activities, they used 5,000 hours of housekeeping services.1.