Question 2: [25 Marks] The following table shows the times required to complete each of seven jobs in a two-machine flow shop. Each job must follow the same sequence, beginning with Machine 1 and moving to Machine 2. a. Determine a sequence that will minimize the makespan time. [10 marks] b. Construct a chart of the resulting sequence, and find the optimal makespan, Machine 1's idle time, Machine 2 's idle time, and the total idle time of this two-machine flow shop. [15 marks]