Viger Corporation has a standard cost system in which it applies manufacturing overhead to products on the basis of standard machine-hours (MHs). The company has provided the following data for the most recent month:

Budgeted level of activity		8,800	MHs
Actual level of activity		9,000	MHs
Standard variable manufacturing overhead rate	$	7.50	per MH
Actual total variable manufacturing overhead	$	64,970

What was the variable overhead rate variance for the month?