You have been hired by Cabot Oil and Gas (COG) to optimize their collection of natural  gas at various pumping sites. Each pumping site is comprised of pumping stations  (pumping wells) that use hydraulic fracturing, also known as fracking, to collect gas from  a well. There are pipelines that connect pumping stations, but not all stations are  connected to each other.  It is too expensive to build holding tanks at each pumping station so one of the pumping  stations must be selected as the central collection point where the holding tank will be  constructed.  You must determine the best location (i.e., pumping station) for the holding tank. Each  time gas is routed through a pipeline there is a 1% loss in the gas being routed. You must  find the pumping station that will minimize the overall loss of natural gas.