7. A work cycle in a worker-machine system has the PFD allowance factor of 12%, and the machine allowance factor of 25%. Time it should normally take for this work cycle to complete is 6.2 min. In this work cycle manual elements total a normal time of 5.92 min, out of which 0.65 min are performed internally. Determine (a) the standard time for the cycle and (b) the daily output at standard performance. (c) During an 8-hour shift, 70 pieces were produced, and the worker spent 39 min on personal time, rest breaks, and delays. What was the worker's pace on the operator-controlled portion of the shift