I need help understanding question 4.4 a & b and 4.5 a,b,c,d. Thank you!

00 the first 4-4 The Housekeeping Services Department of Ruger Clinic, a multispecialty practice in Toledo, Ohio, had $100,000 in direct costs during 2012. These costs must be allocated to Ruger's 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 during 2012. To support these clinical activities, the departments used 5,000 hours of housekeeping services. a. What is the value of the cost pool? b. What is the allocation rate if (1) patient services revenue is used as the cost driver and (2) hours of housekeeping services are used as the cost driver? 4-5 Refer to Problem 4-4. Assume that the three patient services departments are Adult Services, Pediatric Services, and Other Services. The patient services revenue and hours of housekeeping services for each department are as follows: