Bearer-1, Inc. manufactured 3,000 chairs during June. The following variable overhead data pertain to June Budgeted variable overhead cost per unit$ 12.00 Actual variable manufacturing overhead cost$33,600 Flexible-budget amount for variable manufacturing overhead$36,000 Variable manufacturing overhead efficiency variance$720 unfavorable What is the variable overhead spending variance? $1,680 unfavorable $2.400 favorable $2,400 unfavorable $3,120 favorable Moving to the next question prevents changes to this