Ch. 10 - 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 9100MHS of activity Actual level of 9300MHs activity Standard variable 7.80per MH manufacturing overhead rate Actual total variable manufacturing 69,920 overhead What was the variable overhead rate variance for the month? $1060 Favorable $2620 Favorable $1420 Favorable $1560 Unfavorable