Exhibit 5-1
the Following Questions Are Based on the Below

Exhibit 5-1
The following questions are based on the below cafeteria flowchart and the information provided in the table. Customers start at counter A and move to Counter B. Customers then choose one of two counter Cs and then move on toward Counter D. Customers then choose one of two counter Es and then move on toward Counter E.

$$\begin{array}{c}\begin{array} { c c c } &\text { INFORMATION TABLE }\\\text { Counter(s) } & \text { Activity Time } & \text { Wage per Person per Hour } \\\text { A } & 10 \text { secs. } & \$ 6 \\\text { B } & 30 \text { secs. } & 7 \\\text { C } & 60 \text { secs. } & 7 \\\text { D } & 40 \text { secs. } & 7 \\\text { E } & 30 \text { secs. } & 7 \\\text { F } & 20 \text { secs. } & 8\end{array}\end{array}$$
-?Refer to Exhibit 5-1.If an extra counter is added at the bottleneck location,how many customers can the cafeteria process in an hour?

A) ?360
B) ?120
C) ?90
D) ?240
E) ?180