Work Element Time (sec) 12 Immediate Predecessor(s) B 6 A 12 A D 4 B E 14 B, C F. 10 E G 6 D, F The steps involved in assembling a certain product and the time required in seconds) for each step are shown in the table. Output required from the assembly line is 150 units per hour. Part A: What should be the planned cycle time (in seconds)? a) 24 b) 30 c) 36 d) 40 e) 45 Part B: Assign these work elements to assembly workstations. Use the longest task time heuristic. You do not have to show your work. Simply list all elements assigned to each workstation. Part C: What is the achieved cycle time of your solution? Part D: What is the idle time (per cycle) in your last station