Q. To get to labour efficiency variance, the formula to be applied is (Solved)
1. Total standard labour cost of actual output - Total actual cost of actual output
2. (Standard rate per hour - Actual rate per hour) * Actual Hours
3. (Standard time - Actual time) * Standard rate per hour
4. Abnormal idle hours * Standard hourly rate
- c. (Standard time - Actual time) * Standard rate per hour