Steve, an Operations Manager at Krypto InfoTech, Must Set Up

Steve, an operations manager at Krypto InfoTech, must set up an assembly line to assemble a computer mouse. The precedent network given below is defined with task times in parentheses and stated in minutes. There are 480 minutes of assembly time per shift and there is one shift. The forecast (output rate) is 60 units per shift. He decides to use the longest/largest-task-time rule to assign tasks to workstations.
SHAPE \* MERGEFORMAT
Worksheet for assembly-line balancing problem
$\begin{array}{|c|c|c|c|}\hline \text { Workstation } & \text { Assigned Tasks } & \text { Total Time } & \text { Idle Time } \\\hline \text { A } & & & \\\hline \text { B } & & & \\\hline \text { C } & & & \\\hline \text { D } & & & \\\hline \text { E } & & & \\\hline \text { F } & & & \\\hline\end{array}$ Use the previous assembly-line balancing (ALB) information to answer Questions .
-What is the cycle time?

A) 6 minutes/unit
B) 7 minutes/unit
C) 8 minutes/unit
D) 9 minutes/unit