Answer:
Variable overhead rate variance = $ 875 favorable
Variable overhead efficiency variance = $ 4,185 favorable
Variable overhead cost variance = $5,060 Favorable
Explanation:
Standard hours = 1 hr x 2600 units = 2600 hours
Standard rate = $3.10
Actual hours = 1,250 hours
Actual rate = $2.40
Variable overhead rate variance = ( Standard Rate - Actual Rate ) x Actual Hrs
= ( $ 3.10 - $2.40 ) x 1250 Hrs
= $0.7 x 1250
=$ 875 favorable
Variable overhead efficiency variance = (Standard hours - Actual hours) x Standard Rate
= (2600 - 1250 ) x $ 3.10
= $ 4,185 favorable
Variable overhead spending variance = Variable overhead rate variance + Variable overhead efficiency variance
= $875 + $4,185
= $ 5,060 favorable
Variable overhead cost variance = Standard cost - Actual Cost
= (2600 X 3.10) - (1250 X 2.40) = 8,060 - 3000
= $5,060 Favorable