Fun Vehicles,Inc The Company Wants to Re-Balance Its Line to Increase the Work

Multiple Choice

Fun Vehicles,Inc.,makes "beach buggies" on an assembly line with 11 work elements.Information on these work elements is as follows:
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Work } \\\text { Element }\end{array} & \text { Time (sec) } & \begin{array} { c } \text { Immediate } \\\text { Predecessor(s) }\end{array} \\\hline 1 & 40 & \text { None } \\2 & 35 & 1 \\3 & 20 & 1 \\4 & 25 & 1 \\5 & 30 & 2,3 \\6 & 35 & 4 \\7 & 35 & 5 \\8 & 15 & 5,9 \\9 & 5 & 6 \\10 & 40 & 4,9 \\11 & 38 & 7,8,10 \\\hline\end{array}$$
The company wants to re-balance its line to increase the output to two buggies every three minutes.Use the longest work-element time rule to assign tasks to the workstations.Which of the following is the assignment for the first two stations (S1 and S2) produced by this rule?
Station Station
1 Tasks 2 Tasks

A) 1, 2 3, 4, 5
B) 1, 2 4, 6, 3, 9
C) 1, 4 3, 2, 5
D) 1, 3, 4 2, 5, 8