Acton 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 $139,080 Estimated machine hours 3,800 Actual manufacturing overhead $137,000 Actual machine hours 3,780 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 applied manufacturing overhead for the year is closest to: $136,269 $138,348 $136,987 $137,630