Regarding the location of a facility. the presumption in the widely used p-median model is that the customer opts for the shortest route to the nearest facility. However. this assumption is problematic on free markets since the customer is presumed to gravitate to a facility by the distance to and the attractiveness of it. https://www.roneverhart.com/White-to-Blue-BJJ-Training-2-DVD-Set-with-Pedro-Sauer-Preowned/