7. Develop a solution for the following line balancing problem, allowing a theoretical cycle time of 300 seconds. Task Predecessor(s) Work Task A B Task Time (seconds) 70 60 A 120 B D E F 60 240 100 C D A E, F G 190 a) Draw a network diagram of precedence relationships. (3 Points) b) Compute the theoretical minimum number of workstations. (1 Points) c) Balance this line. (4 Points) d) What is the actual cycle time? (1 Points) e) What is the efficiency of the line obtained in part d? (2 Points)