⇣ irrshp ⇣irr100shp000irr500shp00001irr1000shp00002irr2000shp00004irr5000shp00009irr10000shp00019⇣ irrshp ⇣irr1,00000shp00186irr5,00000shp00930irr10,00000shp01860irr25,00000shp04650irr50,00000shp09299irr100,00000shp186