Just looking at your runs, commercial space so figure 20' rise, 55'+ 20'up + 20'down = 95'. So figure about 300' just for the 3 POS at front of store, then another 120' for office, so 1/2 box of cable @ $0.15/ft is about $75 for Cat5E. Three runs at front is one pull, two runs at back is one...