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. What is the utilization (%) of the worker in the workstation 2?Select one:O a. 100O b. 60O c. None of the provided optionsO d. 40O e. 67.5O f. 50O g. 30