ABC Corporation has a standard cost system in which it applies manufacturing overhead to products on the basis of standard machine-hours (MH). The company has provided the following data for the most recent month Budgeted level of activity 9.700 s Actual level of activity 9,900 MHS Standard variable $ 6.30 manufacturing overhead rat Actual total variable $ 60,390 manufacturing overhead per MH What was the variable overhead rate variance for the month? $1,980 Unfavorable O $720 Favorable $720 Unfavorable $1,980 Favorable MacBook Air