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: Department Adult Services Pediatric Services Other Services Total Revenue $3,000,000 1,500,000 500,000 $5,000,000 Housekeeping Hours 1,500 3,000 500 5,000 a. What is the dollar allocation to each patient services department if patient services revenue is used as the cost driver? b. What is the dollar allocation to each patient services department if hours of housekeeping support are used as the cost driver? c. What is the dollar difference in the amount allocated to each department between the two drivers? d. Which of the two drivers is better? Why