8-1. A time-study technician at the southern textile company has conducted a time study of an operator of a spinning machine that spins rough cotton yarn into a finer yarn on bobbins for use in a weaving operation. the time study was requested as the result of a union grievance. the average cycle time for the operator to replace all the full bobbins on the machine with empty bobbins was 3.62 minutes. the technician assigned an overall performance rating for the job of 100% and the allowance factor specified by the union contract is 15%. Compute the standard time for this job.