Sarasota Copy Company applies batch-related manufacturing overhead on the basis of the number of production runs. The following information is available:

	Estimated	Actual
Production Runs	500	535
Manufacturing Overhead Costs	$775,000	$846,370

The amount of over/underapplied manufacturing overhead is:

$71,370 underapplied $54,250 underapplied $17,120 underapplied $54,250 overapplied