Predetermined factory overhead rate Poehling Medical Center has a single oporating 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 indudes the direct materials costs (drugs and medical devices), physician surgical time, and eperating room overhead. On lanuary 1 of the current year, the annual operating room overhoad 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 addition, the operating room wiil be shut down two weeks per year for general repairs. This information has been collected in the Microsoft Excel Online file, Open the spreadsheet, perform the required analysis, and input vour answers in the questions below. Open ipreadsheet a. Determine the prefetermined operating room overhead rate for the vear. Round your answer to the nearest dollar. The overhead costs will be assioned 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 addition, the operating room will be shut down two weeks per yoar for general repais. This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysk, and input your answers in the questions below. Open spreadsheat a. Determine the predetermined operating room overhead rate for the year. Found your answor to the nearest dollar. per hour b. Eal Harris had a four-hour procedure on January 22. How much operating room overhead would bo charged to his procedure, using the rate determined in part (a)? Round your answer to the nearest dollar. is c. During lanuary, the operating room was used 260 hours. The actuat overhead costs incuried for lanuary were 3100,500 . Oegtermine the overapelied operating overhead of underapolied operating overheod for the period. Enter your antwer as a positive number. Hound your anvwer to the nearest. doltiar