3. Time-study observations of a job have been completed, and the mean actual time was found to be 6.28 minutes. The analyst estimated that the observed worker had a performance rating of 110 percent during the study. Personal and fatigue allowances of 13 percent are appropriate for the job, and unavoidable delays are estimated to be 10 percent.

a. Compute the normal time for the job.

b. Compute the standard time for the job.