If standard hours for 100 units of output are 400 @ Rs. 2 per hour and actual hours taken are 380 @ Rs. 2.25 per hour, then the labour rate variance is:
1
Rs. 95 (adverse)
2
Rs. 100 (adverse)
3
Rs. 25 (favourable)
4
Rs. 120 (adverse)
5
Rs. 320 (favourable)