hello I am needing assistance with this accounting problem below

Poehling Medical Center has a single operating room that is used by local physicians to perform surgical procedures. The cost of using the operating room is accumulated by each patient procedure and includes the direct materials costs (drugs and medical devices), physician surgical time, and operating room overhead. On January 1 of the current year, the annual operating room overhead is estimated to be:

Disposable supplies $196,400 Depreciation expense 35,400 Utilities 20,600 Nurse salaries 295,000 Technician wages 96,600 Total operating room overhead $644,000