Week 2 3 4 5 6 7 8 Average process time (hours) 7.20 7.20 7.10 7.40 7.60 7.20 6.80 6.60 Average setup time (hours) 2.20 2.20 2.10 1.90 1.90 1.80 2.00 1.90 Customer complaints 5 6 4 7 6 8 9 9 Delivery time (hours) 36.20 37.40 37.20 36.40 35.90 35.80 34.80 34.20 Equipment utilization rate (%) 98.10 98.20 98.40 98.10 97.80 97.60 97.80 97.80 Machine downtime (hours) 82.30 84.20 85.90 84.30 83.40 82.20 82.80 80.40 Machine maintenance time (hours) 50.40 52.80 49.50 46.40 47.20 45.80 44.80 42.90 On-time deliveries (%) 92.40 92.50 93.20 94.20 94.40 94.10 95.80 94.60 Production backlog (units) 15,230 15,440 15,200 16,100 14,890 13,560 13,980 13,440 Production cycle time (hours) 12.20 12.60 11.90 11.80 12.20 11.60 11.20 10.60 Purchase-order lead time (hours) 26.20 26.80 26.50 25.90 25.70 25.30 24.80 24.20 Warranty claims 2 2 3 2 3 4 3 3