please show all calculations and how to solve a and b, thank you!

The following data pertain to Problems 4.6 through 4.8: St. Benedict's Hospital has three support departments and four patient services departments. The direct costs to each support department are: Selected data for the three supbort and four nationt consione dnnnumunnes. .... 4.7 Assume that the hospital uses salary dollars as the cost driver for General Administration, housekeeping labor hours as the cost driver for Facilities, and patient services revenue as the cost driver for Financial Services. (The majority of the costs of the Facilities Department are devoted to housekeeping services.) a. What are the appropriate allocation rates? b. Allocate the hospital's overhead costs to the patient services departments. c. Compare the dollar allocations with those obtained in Problem 4.6. Explain the differences