Johnson's Rule - now the process is divided into two steps... W N Unloading 4 Loading 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.25 1.3 1.35 1.4 1.45 1.5 1.55 1.6 1.65 1.7 1.75 1.8 1.85 1.9 1.95 2 2.05 2.1 2.15 2.2 2.25 2.3 2.35 2.4 2.45 2.5 6 7 Station one Station Two Sequence 8 Jet Unloading (hrs) Loading (hrs) Total Makespan: 9 Belfast 0.2 0.3 10 Birmingham 0.15 0.1 11 Dublin 0.3 0.35 12 London 0.5 0.25 13 Manchester 1 0.5 14 What are the benefits and drawbacks of Johnson's Rule over the other scheduling rules? 15 16 17