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	$	157,700
Estimated machine-hours		4,630
Actual manufacturing overhead	$	157,300
Actual machine-hours		4,840

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: