A facility is trying to set up an assembly line and has identified the various tasks, and their relationship to each other, as shown in the following table. Managers wish to achieve an output rate of 120 units per eight-hour day. LTT Method (Longest Task Time) Choices Select Why Task A B D E F G H edecessoration (minutes) 1.4 0.8 AB 0.4 1.8 0.4 3 E, F 2 D G 1.2 d) Step 1 2 2 3 4 5 6 7 8 9 10 -- -- WS#1 WS#2 WS#3 WS#4 (a) Draw a network diagram of precedence relationships (5 pts) (6) Compute the required cycle time per unit in minutes. (2 pts) Determine the theoretical minimum number of stations needed. (3 pts) (d) Balance this assembly line using the heuristic Longest Task Time (LLT) (15 pts) and the heuristic Number of Following Tasks (NFT) (15 pts) (e) How do these two solutions differ? Which do you prefer, why? (5 Total Total Total Total NFT Method (Number of Following Tasks) Choices Select Why a) Precedence diagram Step 1 2 3 4 5 6 7 b) c) The cycle time Mins/Unit The theoretical number of workstations WSS e) se two solutions differ? Which do you p 8 9 10 WS#1 WS#2 WS#3 WS#4 Total Total Total Total