The table below shows the mab coordinates and Shipping loads to different cities from a central hub.

A) Where should the Central Coordination Center be located?

B) If the shipment from City A increase tripled, how would the center coordinates change?

\begin{tabular}{|c|c|c|} \hline CITY & MAP COORDINATE (X,Y) & SHIPPING LOAD \\ \hline A & (5,10) & 5 \\ \hline B & (6,8) & 10 \\ \hline C & (4,9) & 15 \\ \hline D & (9,5) & 5 \\ \hline E & (7,9) & 15 \\ \hline F & (3,2) & 10 \\ \hline G & (2,6) & 5 \\ \hline \end{tabular}