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 Actual level of activity Standard variable manufacturing overhead rate Actual total variable manufacturing overhead 9,500 MHs 9,700 MHs $ 8.20 per MH $76,800 What was the variable overhead rate variance for the month? Multiple Choice $1,416 Favorable $1,100 Favorable $1,640 Unfavorable $2,740 Favorable