Nitrol Corporation manufactures brass vases using a standard cost system with standard machine-hours as the activity base for overhead. The following information relates to vase production at Nitrol for last year:

	Estimated for year	Actual results for year
Variable overhead	$53,500	$57,360
Fixed overhead	$278,200	$275,100
Machine-hours	107,000	111,000

The standard machine-hours per vase is 1.4. Last year Nitrol produced 86,000 vases.

What was Nitrol's variable overhead rate variance for last year?

$760 Unfavorable

$1,860 Unfavorable

$12,400 Unfavorable

$1,100 Favorable