b) An assembly work consisting of two sequential job elements has been studied using a stopwatch approach. The observed times for the job elements are shown in Table 2. Determine the standard time for the assembly work, with the assumption of a combined personal delay and fatigue of 20%. (5 marks) Table 2 + Job Observation (minutes) Performance element 2 3 4 5 6 rating (%) A 0.15 0.21 0.18 0.19 0.21 0.17 90 B 0.54 0.55 0.57 0.62 0.49 0.46 100 0.33 0.31 0.32 0.75 0.30 0.30 85