Answer:
$114 unfavorable
Explanation:
For computing the overall variable overhead efficiency variance first we have to need to find out the standard variable overhead rate which is shown below:
= ($11,680 + $41,900) ÷ 4,700 hours
= $11.4
Now the variable overhead efficiency variance is
= standard variable overhead rate × (Actual machine hours - standard machine hours)
= $11.4 × (4,740 machine hours - 4,730 machine hours)
= $114 unfavorable
This unfavorable indicates the actual hours are more than the standard hours