Mesa Telcom Has Three Divisions,commercial,retail,and Consumer,that Share the Common Costs

Mesa Telcom has three divisions,commercial,retail,and consumer,that share the common costs of the company's computer server network.The annual common costs are $2,400,000.You have been provided with the following information for the upcoming year:
$$\begin{array} { | l | r | r | } \hline & \text { Connections } & \begin{array} { r } \text { Time on } \\\text { Network (hous) }\end{array} \\\hline \text { Commercial } & 60,000 & 120,000 \\\hline \text { Retail } & 80,000 & 150,000 \\\hline \text { Consumer } & 100,000 & 330,000 \\\hline\end{array}$$ Mesa Telcom uses the single rate method and allocates common costs based on the time on the network.What is the total computer server network cost allocated to the Retail Division?

A) $429,000.
B) $600,000.
C) $657,800.
D) $3,000,000.