public void addpriceFabric(string f, double p)
 {
     var o = new order();
     o.fabrica = f;
     o.price = p;
     pricesFabric.Add(o);
 }
 public void addpriceTransp(string f, double p)
 {
     var o = new order();
     o.fabrica = f;
     o.price = p;
     pricesTransp.Add(o);
 }
 public void addpriceTransp(string f, double p)
 {
     var o = new order {fabrica = f, price = p};
     pricesTransp.Add(o);
 }
 public void addpriceFabric(string f, double p)
 {
     var o = new order {fabrica = f, price = p};
     pricesFabric.Add(o);
 }