W Problem 9.16 Question Help Fig. 1 The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes. E E Activity Activity Description A B C Performance Predecessors Time (mins) 5.0 1.6 2.8 B 3.6 B 2.0 A, E 2.8 Fig. 2 D E F Attach wheels to tub Attach motor to lid Attach battery pack Attach safety cutoff Attach filters Attach lid to tub Assemble attachments Function test Final inspection Packing 3.0 E CF G . H 3.5 2.0 2.0 D, F, G H I J | a-b) One of the possible assignment of tasks to workstations is shown correctly in Fig. 2 . Fig. 3 The efficiency of the assembly line with 3 workstations = % (enter your response rounded to two decimal places). E