Answer: 3.20 minutes
Step-by-step explanation:
Observed cycle time = 4 minutes.
Performance rating = 80%
Allowance factor = 20%
The normal time for the job will be calculated as the observed cycle time multiplied by the performance rating. This will be:
= 4 × 80%
= 4 × 0.8
= 3.20 minutes
The normal time for the job is 3.20 minutes.