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 or each patient procedure and includes the direct materials costs (drugs and medical devices), physician surgical time, and operoting room overhead, On januacy 1 of the current year, the annual operating room overhead is estimated to be: The overhead costs will be assigned to procedures based on the number of surgical room hours. Poehling Medical Center expects to use the operating room an average of eight hours per day, seven days per week. In addibion, the operating room will be shut down two weeks per year for general repairs. a. Calculate the estimated number of operating room hours for the year. hours b. Determine the predetermined operating room overhesd rate for the year. per hour C. Bit Harris had a 4-hour procedure on Januark22. How much operating room owerhead would be charged to his procedure, using the rate determined in part (b)? d. During January, the operating room was used 194 hours. The actust overhead costs incurred for January were $53,100, Determine the overapplied operating overhead or underapplied operating overhesd for the period. Enter your answer as a positive number