Estimated manufacturing overhead cost Actual manufacturing overhead cost Estimated machine hours Actual machine hours $238,000 $244,900 20,500 23,400 The estimates were made as of the beginning of the year, while the achual results were for the entire year The predetermined manufacturing overhead rate per machine hour is closest to O A. $10 47 O B. $0.97 O C. $11.95 OD, $1161