Sewing Question 4 i) List five main important differences between goods and operations i) Explain the term robust design given examples iii) As part of a major Nestle plant renovation project, the production department has been asked to balance a revised assembly operation to achieve an output of 240 units per eight-hour day. Task times and precedence relationships are as follows: Task Duration (mins) Precedes task 0.2 0.4 0.2 f 0.4 1.2 1.2 f 1.0 end b a e d e bbbb a) Draw the precedence diagram b) Determine the cycle time c) Determine the minimum number of stations required ) Assign work to work stations on the basis of greatest number of following tasks c) Compute the percentage idle and efficiency of the system