8. The following precedence network is used for assembling a product. You have been asked to achieve an hourly output of 20 units. 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 third activity assigned to workstation 2? 28 10 07 12 0.1 30 g h 08 20 Select one: a. b b. None of the provided options c. e d. a e. C f.d Allamani.Arvi