The following information relates to labour costs for the past month:

Budget

Labour rate

£10 per hour

Production time

15 000 hours

Time per unit

3 hours

Production units

5000 units

Actual

Wages paid

£176 000

Production

5500 units

Total hours worked

14 000 hours

There was no idle time.

What were the labour rate and efficiency variances?

Rate variance

Efficiency variance

A

£26 000 adverse

£25 000 favourable

B

£26 000 adverse

£10 000 favourable

C

£36 000 adverse

£2500 favourable

D

£36 000 adverse

£25 000 favourable