11. Table Q11 outlines the work elements, element times and precedence relationships for a gear box assembly. The desired daily output for the assembly line is 180 units. The assembly line operates on an 8-hour shift, with a 30-minute break. a) Draw the precedence diagram and determine the total work content, desired cycle time and the minimum number of workstations that could be used. b) Assign the tasks to workstations using the "Ranked Positional Weights rule. c) Calculate the balancing loss for the assembly line. d) Outline some approaches that you might consider to improve the design of the line. Preceded by Table Q11 Task details for assembly line design Work Element Element Time (min) 1 1 2 1.2 3 1 4 1.2 1 1 0.5 5 6 2.4 1.4 7 2 3 3 5,6 4,7 8 8 9, 10 8 0.8 9 1.2 10 11 0.4 0.6