21. Moore Corporation bases its predetermined overhead rate on the estimated machine-hours for the upcoming year. Data for the most recently completed year appear below: Estimates made at the beginning of the year: Estimated machine-hours Estimated variable manufacturing overhead Estimated total fixed manufacturing overhead 20,800 $ 9.60 per machine-hour $511,680 22,000 Actual machine-hours for the year The predetermined overhead rate for the recently completed year was closest to: O $24.60. O $32.86. O $9.60 $34.20