Sholette Manufacturing Corporation has a standard cost system in which it applies manufacturing overhead to products on the basis of standard machine-hours (MHs) at $8.00 per MH. During the month, the actual total variable manufacturing overhead was $22,500 and the actual level of activity for the period was 3,000 MHs. What was the variable overhead rate variance for the month?

$188 Favorable

$188 Unfavorable

$1,500 Unfavorable

$1,500 Favorable