eBook Show Me How Disposable supplies $258,300 Depreciation expense 64,700 Utilities 27,600 Nurse salaries 240, 100 Technician wages 109,300 Total operating room overhead $700,000 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 will 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 your answers in the questions below. X Open spreadsheet 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 part (a)? c. During January, the operating room was used 200 hours. The actual overhead costs incurred for January were $48,300, Determine the overhead under- or overapplied for the period. Enter your answer as a positive number. overapplied