See below question that I am needing help on.

Assembly Line Balancing A production facility assembles telephones on a production line. The assembly requires 15 tasks with precedence relationships and activity times as shown below. nowd NNN Task Immediate Predecessor(s) Task Time 1 6 2 3 2 9 4 2 5 5 3 8 6 2 10 4 7 8 4 4 9 5,6 9 10 6,7 8 11 8 4 12 9 12 13 11 7 14 10,12 3 15 13,14 5 Using the information above, do the following. a. Develop a network diagram for these tasks. b. For a cycle time of 30 minutes, what is the minimum number of stations that could be achieved? c. Balance the assembly line for the cycle time in part (b). d. Is there a solution with the same number of stations you found in part (b) but with a lower cycle time? e. What is the minimum cycle time that gives a balance with the same number of stations you found in part (b)