7. The following precedence network is used for assembling a product. You have been asked to achieve an output of 240 units per eight-hour day. All times in this network are in minutes. Balance the line using the following rule: assign tasks to workstations on the basis of most following tasks (Rule 1). Use greatest positional weight (Rule 2) as a tiebreaker. How many tasks were assigned to workstation 4? 0.2 0.4 0.2 1.2 a b 0.4 1.0 2.0 O 2 O 1 O4 O None of the provided options 03 7. The following precedence network is used for assembling a product. You have been asked to achieve an output of 240 units per eight-hour day. All times in this network are in minutes. Balance the line using the following rule: assign tasks to workstations on the basis of most following tasks (Rule 1). Use greatest positional weight (Rule 2) as a tiebreaker. How many tasks were assigned to workstation 4? 0.2 0.4 0.2 1.2 a b 0.4 1.0 2.0 O 2 O 1 O4 O None of the provided options 03