Acheson Corporation, which applies manufacturing overhead on the basis of machine-hours, has provided the following data for its most recent year of operations. Estimated manufacturing overhead $ 157,950 Estimated machine-hours 4,680 Actual manufacturing overhead $ 157,800 Actual machine-hours 4,940 The estimates of the manufacturing overhead and of machine-hours were made at the beginning of the year for the purpose of computing the company's predetermined overhead rate for the year. The predetermined overhead rate is closest to: $31.94 $33.75 $33.72 $44.52