⇣ irrscr ⇣irr100scr00003irr500scr00016irr1000scr00033irr2000scr00066irr5000scr00164irr10000scr00328⇣ irrscr ⇣irr1,00000scr03279irr5,00000scr164irr10,00000scr328irr25,00000scr820irr50,00000scr1639irr100,00000scr3279