Predetermined factory Overhend Rate 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 potient procedure and Includes the direct materials costs (dnags and medical devices), physician surgical time, and operating room overhead. On January I of the current year, the annual operating room overhead is estimated to be: The overhead costs will be assigned to procedures, based on th t number of surgical room hours. Poehing Mndical Canter expects to use the operating rwam an average of eight hours perday, seven days per week: In addition, the operating room will be shut down two weeks peryear for general repain. a. Determine the predetermined operating room overhead rate for the year. per hour b. Ebony Jones had a five-hour procedure on January 22. How much operating room overhead would be charged to her procedure. using the rate determined in oart fa)? C. During January, the operating room was used 240 hours. The actual ovemead costs incurred for lanuary were 167 , 250. Determine the averhead under-or overasolied for the merioc